Last updated: Dec 2018
Michael T. Hallworth, Ph.D.
EDUCATION
Ph.D. in Environmental Science and Public Policy, 2008—2014, George Mason University, Fairfax, VA.
Dissertation: The influence of migratory connectivity and seasonal interactions on individual- and population-level dynamics
of a long distance migratory songbird
Advisors: Peter Marra & Larry Rockwood
M.Sc. in Biology, 2007, Plymouth State University, Plymouth, NH
Thesis: The Breeding Ecology of the Canada Warbler in Central New Hampshire
Advisor: Len Reitsma
B.S. in Biology, 2004, Plymouth State University, Plymouth, NH
Minor in Chemistry
Ph.D. in Environmental Science and Public Policy, 2008—2014, George Mason University, Fairfax, VA.
Dissertation: The influence of migratory connectivity and seasonal interactions on individual- and population-level dynamics
of a long distance migratory songbird
Advisors: Peter Marra & Larry Rockwood
M.Sc. in Biology, 2007, Plymouth State University, Plymouth, NH
Thesis: The Breeding Ecology of the Canada Warbler in Central New Hampshire
Advisor: Len Reitsma
B.S. in Biology, 2004, Plymouth State University, Plymouth, NH
Minor in Chemistry
PUBLICATIONS
19. Brlík, V., J. Koleček, M. Burgess, S. Hahn, M. Krist, J. Ouwehand, E. L. Weiser, P. Adamík, J. A. Alves, D. Arlt, S. Barišić, D.
Becker, E. J. Belda, V. Beran, C. Both, S. P. Bravo, M. Briedis, B. Chutný, D. Ćiković, N. W. Cooper, J. S. Costa, V. R. Cueto, T.
Emmenegger, K. Fraser, O. Gilg, M. Guerrero, M. T. Hallworth, C. Hewson, D. Humple, F. Jiguet, J. Johnson, T. Kelly, D.
Kishkinev, M. Leconte, T. Lislevand, S. Lisovski, C. López, K. MacFarland, P. P. Marra, S. M. Matsuoka, P. Matyjasiak, C. M.
Meier, B.n Metzger, J. S. Monrós, R. Neumann, A. Newman, R. Norris, T. Pärt, V. Pavel, N. Perlut, M. Piha, J. Reneerkens,
C. Rimmer, A. Roberto-Charron, C. Scandolara4, N. Sokolova, M. Takenaka, D. Tolkmitt, H. van Oosten, A. Wellbrock, H.
Wheeler, J. van der Winden, K. Witte, B. Woodworth, P. Procházka. In press. Weak effects of geolocators on small birds: a
meta-analysis controlled for phylogeny and publication bias. Journal of Animal Ecology.
18. Hallworth, M. T., P. P. Marra, K. E. McFarland, S. Zahendra and C. E. Studds. In press. Tracking dragons: Stable-isotopes
reveal the annual cycle of a long-distance migratory insect. Biology Letters. 20180741 http://dx.doi.org/10.1098
/rsbl.2018.0741 *Cover article.
17. Cohen, E. B., C. R. Rushing, F. R. Moore, M. T. Hallworth, J. A. Hostetler, M. Gutierrez Ramirez and P. P. Marra. 2018.
Spatial and temporal en route migratory connectivity of three Nearctic-Neotropical species through the Gulf of Mexico
region. Ecography. 42, 1-12. https://doi.org/10.1111/ecog.03974.
16. Lisovski, S., H. Schmaljohann, E. S. Bridge, S. Bauer, A. Farnsworth , S. A. Gauthreaux, Jr., S. Hahn, M. T. Hallworth, C. M.
Hewson, J. F. Kelly, F. Liechti, P. P. Marra, E. Rakhimberdiev, J. D. Ross, N. E. Seavy, M. D. Sumner, C. M. Taylor, D. W.
Winkler, S. J. Wotherspoon, and M. B. Wunder. Inherent limits of light-level geolocation may lead to over-interpretations
(Comment on Streby et al. (2015) Tornadic Storm Avoidance Behavior in Breeding Songbirds. Curr. Biol. 25, R98-R102.).
2018. Current Biology. 28:3. R99-R100.
15. Cohen, E. B., J. Hostetler, M. T. Hallworth, C. Rushing, T. S. Sillett and P. P. Marra. 2018. A quantitative definition for
the strength of migratory connectivity. Methods in Ecology and Evolution.
14. Reitsma, L. R., J. J. Jukosky, A. J. Kimiatek, M. L. Goodnow, and M. T. Hallworth. 2018. Extra-pair paternity in a long-
distance migratory songbird beyond neighbors’ borders and across male age classes. Canadian Journal of Zoology.
13. Haché, S. E.M. Bayne, M.-A. Villard, H. Proctor, C.S. Davis, D. Stralberg, E. Vasi, A. Grossi, J.C. Gorrell, J.K. Janes, M.T.
Hallworth, K.R. Foster and R. Krikun. 2017. Phylogeography of a migratory songbird across its Canadian breeding
range: implications for conservation units. Ecology and Evolution. 7 (16): 6078-6088.
12. Cooper, N. W., M. T. Hallworth and P. P. Marra. 2017. Light-level geolocation reveals wintering distribution, migration
routes, and primary stopover locations of an endangered long-distance migratory songbird. Journal of Avian Biology. 48
(2): 209-219. *Cover article
11. Hallworth, M. T. and P. P. Marra. Miniaturized GPS Tags Identify Non-breeding Territories of a Small Breeding Migratory
Songbird. 2015. Scientific Reports. 5:11069. doi:10.1038/srep11069.
10. Hallworth, M. T., T. S. Sillett, S. J. Van Wilgenburg, K. A. Hobson and P. P. Marra. 2015. Migratory connectivity of a
Neotropical migratory songbird revealed using archival light-level geolocators. Ecological Applications. 25(2): 336-347.
9. Hallworth, M. T., C. E. Studds, T. S. Sillett and P. P. Marra. 2013. Do archival light-level geolocators and stable-hydrogen
isotopes provide comparable estimates of breeding ground origin? Auk 130(2): 273-282.
8. Hallworth, M. T., L. Reitsma and K. Parent. 2011. Habitat- and spatial use of the Louisiana Waterthrush during the non-
breeding season in the Caribbean National Forest, Puerto Rico. Wilson’s journal of Ornithology 123(3): 567-574.
7. Reitsma, L, M. Goodnow, M. T. Hallworth and C. J. Conway. 2010. Canada Warbler (Wilsonia canadensis), The Birds of North
America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology
6. Hallworth, M., K. Parent and L. Reitsma 2009. Modified version of the leg harness technique for mounting radio
transmitters. North American Bird Bander. 34(2): 50-53.
5. Hallworth, M., A. Ueland, E. Anderson, J.D. Lambert and L. Reitsma. 2008. Habitat selection and site fidelity of the Canada
warbler (Wilsonia canadensis) in central, New Hampshire. Auk 125(4): 880-888.
4. Reitsma L., M. Hallworth, P. Benham. 2008. Does age influence territory size, habitat selection and reproductive success of
male Canada warblers (Wilsonia canadensis) in central New Hampshire? Wilson’s Journal of Ornithology 120(3): 446-454
3. Hallworth, M., P. Benham, J. D. Lambert, and L. Reitsma. 2008. Canada warbler (Wilsonia canadensis) breeding ecology in
young forest stands compared to red maple (Acer rubrum) swamp. Forest Ecology and Management 255, 1353-58.
2. Elander M., A. Blackstone, C. Cleary, H. Clogston, M. Hallworth, H. Jardin, J. Kornfeld, K. Parent, Z. Johnson, K. Donahue L.
Reitsma, 2006. Community-based conservation in East Africa: a case study of Ndarakwai ranch, Tanzania. Interdisciplinary
Environmental Review 8(1): 89-95.
1. Elander M., A. Blackstone, C. Cleary, H. Clogston, M. Hallworth, H. Jardin, J. Kornfeld, K. Parent, Z. Johnson, K. Donahue L.
Reitsma, 2005. Community-based conservation in East Africa: A case study of western Usambara Mountains, Tanzania.
Interdisciplinary Environmental Review 7( 2): 60-75.
SOFTWARE
Hostetler, J. and M. T. Hallworth. 2017. MigConnectivity: Estimate Strength of Migratory Connectivity for
Migratory Animals. R package version 0.2.4. https://github.com/SMBC-NZP/MigConnectivity
19. Brlík, V., J. Koleček, M. Burgess, S. Hahn, M. Krist, J. Ouwehand, E. L. Weiser, P. Adamík, J. A. Alves, D. Arlt, S. Barišić, D.
Becker, E. J. Belda, V. Beran, C. Both, S. P. Bravo, M. Briedis, B. Chutný, D. Ćiković, N. W. Cooper, J. S. Costa, V. R. Cueto, T.
Emmenegger, K. Fraser, O. Gilg, M. Guerrero, M. T. Hallworth, C. Hewson, D. Humple, F. Jiguet, J. Johnson, T. Kelly, D.
Kishkinev, M. Leconte, T. Lislevand, S. Lisovski, C. López, K. MacFarland, P. P. Marra, S. M. Matsuoka, P. Matyjasiak, C. M.
Meier, B.n Metzger, J. S. Monrós, R. Neumann, A. Newman, R. Norris, T. Pärt, V. Pavel, N. Perlut, M. Piha, J. Reneerkens,
C. Rimmer, A. Roberto-Charron, C. Scandolara4, N. Sokolova, M. Takenaka, D. Tolkmitt, H. van Oosten, A. Wellbrock, H.
Wheeler, J. van der Winden, K. Witte, B. Woodworth, P. Procházka. In press. Weak effects of geolocators on small birds: a
meta-analysis controlled for phylogeny and publication bias. Journal of Animal Ecology.
18. Hallworth, M. T., P. P. Marra, K. E. McFarland, S. Zahendra and C. E. Studds. In press. Tracking dragons: Stable-isotopes
reveal the annual cycle of a long-distance migratory insect. Biology Letters. 20180741 http://dx.doi.org/10.1098
/rsbl.2018.0741 *Cover article.
17. Cohen, E. B., C. R. Rushing, F. R. Moore, M. T. Hallworth, J. A. Hostetler, M. Gutierrez Ramirez and P. P. Marra. 2018.
Spatial and temporal en route migratory connectivity of three Nearctic-Neotropical species through the Gulf of Mexico
region. Ecography. 42, 1-12. https://doi.org/10.1111/ecog.03974.
16. Lisovski, S., H. Schmaljohann, E. S. Bridge, S. Bauer, A. Farnsworth , S. A. Gauthreaux, Jr., S. Hahn, M. T. Hallworth, C. M.
Hewson, J. F. Kelly, F. Liechti, P. P. Marra, E. Rakhimberdiev, J. D. Ross, N. E. Seavy, M. D. Sumner, C. M. Taylor, D. W.
Winkler, S. J. Wotherspoon, and M. B. Wunder. Inherent limits of light-level geolocation may lead to over-interpretations
(Comment on Streby et al. (2015) Tornadic Storm Avoidance Behavior in Breeding Songbirds. Curr. Biol. 25, R98-R102.).
2018. Current Biology. 28:3. R99-R100.
15. Cohen, E. B., J. Hostetler, M. T. Hallworth, C. Rushing, T. S. Sillett and P. P. Marra. 2018. A quantitative definition for
the strength of migratory connectivity. Methods in Ecology and Evolution.
14. Reitsma, L. R., J. J. Jukosky, A. J. Kimiatek, M. L. Goodnow, and M. T. Hallworth. 2018. Extra-pair paternity in a long-
distance migratory songbird beyond neighbors’ borders and across male age classes. Canadian Journal of Zoology.
13. Haché, S. E.M. Bayne, M.-A. Villard, H. Proctor, C.S. Davis, D. Stralberg, E. Vasi, A. Grossi, J.C. Gorrell, J.K. Janes, M.T.
Hallworth, K.R. Foster and R. Krikun. 2017. Phylogeography of a migratory songbird across its Canadian breeding
range: implications for conservation units. Ecology and Evolution. 7 (16): 6078-6088.
12. Cooper, N. W., M. T. Hallworth and P. P. Marra. 2017. Light-level geolocation reveals wintering distribution, migration
routes, and primary stopover locations of an endangered long-distance migratory songbird. Journal of Avian Biology. 48
(2): 209-219. *Cover article
11. Hallworth, M. T. and P. P. Marra. Miniaturized GPS Tags Identify Non-breeding Territories of a Small Breeding Migratory
Songbird. 2015. Scientific Reports. 5:11069. doi:10.1038/srep11069.
10. Hallworth, M. T., T. S. Sillett, S. J. Van Wilgenburg, K. A. Hobson and P. P. Marra. 2015. Migratory connectivity of a
Neotropical migratory songbird revealed using archival light-level geolocators. Ecological Applications. 25(2): 336-347.
9. Hallworth, M. T., C. E. Studds, T. S. Sillett and P. P. Marra. 2013. Do archival light-level geolocators and stable-hydrogen
isotopes provide comparable estimates of breeding ground origin? Auk 130(2): 273-282.
8. Hallworth, M. T., L. Reitsma and K. Parent. 2011. Habitat- and spatial use of the Louisiana Waterthrush during the non-
breeding season in the Caribbean National Forest, Puerto Rico. Wilson’s journal of Ornithology 123(3): 567-574.
7. Reitsma, L, M. Goodnow, M. T. Hallworth and C. J. Conway. 2010. Canada Warbler (Wilsonia canadensis), The Birds of North
America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology
6. Hallworth, M., K. Parent and L. Reitsma 2009. Modified version of the leg harness technique for mounting radio
transmitters. North American Bird Bander. 34(2): 50-53.
5. Hallworth, M., A. Ueland, E. Anderson, J.D. Lambert and L. Reitsma. 2008. Habitat selection and site fidelity of the Canada
warbler (Wilsonia canadensis) in central, New Hampshire. Auk 125(4): 880-888.
4. Reitsma L., M. Hallworth, P. Benham. 2008. Does age influence territory size, habitat selection and reproductive success of
male Canada warblers (Wilsonia canadensis) in central New Hampshire? Wilson’s Journal of Ornithology 120(3): 446-454
3. Hallworth, M., P. Benham, J. D. Lambert, and L. Reitsma. 2008. Canada warbler (Wilsonia canadensis) breeding ecology in
young forest stands compared to red maple (Acer rubrum) swamp. Forest Ecology and Management 255, 1353-58.
2. Elander M., A. Blackstone, C. Cleary, H. Clogston, M. Hallworth, H. Jardin, J. Kornfeld, K. Parent, Z. Johnson, K. Donahue L.
Reitsma, 2006. Community-based conservation in East Africa: a case study of Ndarakwai ranch, Tanzania. Interdisciplinary
Environmental Review 8(1): 89-95.
1. Elander M., A. Blackstone, C. Cleary, H. Clogston, M. Hallworth, H. Jardin, J. Kornfeld, K. Parent, Z. Johnson, K. Donahue L.
Reitsma, 2005. Community-based conservation in East Africa: A case study of western Usambara Mountains, Tanzania.
Interdisciplinary Environmental Review 7( 2): 60-75.
SOFTWARE
Hostetler, J. and M. T. Hallworth. 2017. MigConnectivity: Estimate Strength of Migratory Connectivity for
Migratory Animals. R package version 0.2.4. https://github.com/SMBC-NZP/MigConnectivity
THESIS & DISSERTATION
Hallworth, M. T. 2014. The influence of migratory connectivity and seasonal interactions on individual- and population-level dynamics of a long distance migratory songbird. Dissertation. George Mason University, Fairfax, VA.
Hallworth, M. 2007. The breeding ecology of the Canada warbler in central New Hampshire. Thesis. Plymouth State University, Plymouth, NH.
Hallworth, M. T. 2014. The influence of migratory connectivity and seasonal interactions on individual- and population-level dynamics of a long distance migratory songbird. Dissertation. George Mason University, Fairfax, VA.
Hallworth, M. 2007. The breeding ecology of the Canada warbler in central New Hampshire. Thesis. Plymouth State University, Plymouth, NH.
PRESENTATIONS
** Denotes undergraduate student as co-author
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thornton, NH. July 2018. Migratory phenology influences the population growth rate of a long distance migratory songbird. Hallworth, M. T., T. S. Sillett and P. P. Marra.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thornton, NH. July 2018. Feathers, molt and carry-overs: possibilities for ptilochronology in the black-throated blue warbler. K. Savides**, M. T. Hallworth, T. S. Sillett and M. S. Webster.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thornton, NH. July 2018. How is a changing climate affecting animal ranges in the Hubbard Brook ecosystem? A. Van Tatenhove**, E. Filiberti**, M. T. Hallworth, and T. S. Sillett.
American Ornithological Society’s Annual Meeting. Tucson, AZ. April 2018. Insights into the black-box of long-distance migration revealed by emerging tracking technology. Hallworth, M. T., E. B., Cohen, N. W. Cooper, T. S. Sillett, T. B. Ryder and P. P. Marra.
American Ornithological Society's Annual Meeting. East Lansing, MI. Aug 2017. Birds on the move: Spatial ecology of individuals, populations and communities. M. T. Hallworth
American Ornithological Society's Annual Meeting. East Lansing, MI. Aug 2017. The cost of reproduction in a greening world. T. S. Sillett, M. T. Hallworth, N. L. Rodenhouse, S. A. Kaiser, and M. Webster. * presented by M. T. Hallworth
**Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2017. Is global change driving distributional shifts of birds breeding in the White Mountain National Forest? E. Filiberti, M. T. Hallworth, N. Rodenhouse and T. S. Sillett.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2017. The cost of reproduction in a greening world. T. S. Sillett, M. T. Hallworth, N. L. Rodenhouse, S. A. Kaiser, and M. Webster. * presented by M.T.Hallworth
British Ornithological Union Annual Meeting. Warwick, UK. March 2017. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. S. Sillett, N. L. Rodenhouse and P. P. Marra.
North American Ornithological Congress, Washington, D.C. Aug. 2016. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. Scott Sillett, N. L. Rodenhouse and P. P. Marra.
North American Ornithological Congress, Washington, D.C. Aug. 2016. Light-level geolocation reveals wintering distribution, migration routes, and primary stopover locations of an endangered long-distance migratory songbird. N. W. Cooper, M. T. Hallworth, and P. P. Marra.
North American Ornithological Congress, Washington, D.C. Aug. 2016. Assessing migratory connectivity of Prothonotary warblers using light-level geolocators. E. Johnson, M. T. Hallworth, L. Bulluck, C. Viverette, J. Reese, M. Johnson, T. Boves, M. Slevin, A. Matthews, C. Tonra, R. Wilson, and J. Wolfe.
North American Ornithological Congress, Washington, D.C. Aug. 2016. Modelling the breeding distribution of Loggerhead Shrikes (Lanius ludovicianus) in southeastern U.S. A. E. M. Johnson, T. S. Sillett, W. McShea, D. Luther and M. T. Hallworth.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2016. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. Scott Sillett, N. L. Rodenhouse and P. P. Marra.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2016. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. S. Sillett, N. L. Rodenhouse and P. P. Marra.
Entomology and Wildlife Ecology Dept. Seminar, University of Delaware, Oct. 2015. Birds on the move: Spatial ecology of individuals, populations and communities. M. T. Hallworth.
Ecological Society of America Annual Meeting. Baltimore, MD. 2015. Temporal and spatial heterogeneity of avian community dynamics within a forested landscape M.T. Hallworth, T. S. Sillett, N. L. Rodenhouse and C. E. Studds.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH July 2015. Modeling valley-wide bird data: Spatial & temporal patterns and linking demography to underlying environmental drivers. M.T. Hallworth, T. S. Sillett, C. E. Studds and N. L. Rodenhouse.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH July 2015. Miniaturized GPS Tags Identify Non-breeding Territories of a Small Breeding Migratory Songbird. M.T. Hallworth, and P.P. Marra.
Smithsonian Conservation Biology Institute, Washington, D.C, November 2014. The influence of migratory connectivity and seasonal interactions on individual- and population-level dynamics of a long distance migratory songbird. M. T. Hallworth
AOU/COS/SCO 2014 Joint Meeting. Estes Park, CO. Sept. 2014. Seasonal interactions influence individuals and the population growth rate of a long distance migratory songbird. M. T. Hallworth, T. S. Sillett, L. L. Rockwood and P. P. Marra.
North America Congress for Conservation Biology. Missoula, MT. July 2014. Migratory connectivity of a Neotropical migratory songbird revealed using archival light-level geolocators. M. T. Hallworth, T.S. Sillett, S. Van Wilgenburg, K.A. Hobson and P.P. Marra.
Symposium on Animal Movement and the Environment. Raleigh N.C. May 2014. Migratory connectivity of a Neotropical migratory songbird revealed using archival light-level geolocators. M.T. Hallworth, T.S. Sillett, S. Van Wilgenburg, K.A. Hobson and P.P. Marra. YouTube
Bahamas Natural History Conference. March 2014. Discovering the migratory connectivity of the Kirtland's Warbler.
N. E. Diggs, S. Rockwell, D. Elbert, S. Hicks, C. Mensing, M.T. Hallworth, D. Ewert, V. Cavalieri, J. Wunderle and P. P. Marra. pdf
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH July 2013. Range-wide migratory connectivity of a Neotropical migratory songbird revealed by archival light-level geolocators. M.T. Hallworth, T.S. Sillett, S. Van Wilgenburg, K. A. Hobson and P.P. Marra.
George Mason University, Population Ecology Guest Lecture, Oct 4 2012. Do seasonal interactions determine individual- and population-level dynamics in the Ovenbird? M. T. Hallworth, T.S. Sillett and P.P. Marra
**MD/DE Wildlife Society Fall Meeting, Columbia, MD. Sept 21, 2012. Relating female Ovenbird movement during the nesting cycle to food abundance. L. Bryant and M. T. Hallworth
**Wildlife Habitat Council 24th Annual Symposium , Baltimore, MD. Nov 7-8, 2012. Relating female Ovenbird movement during the nesting cycle to food abundance. L. Bryant and M. T. Hallworth
North American Ornithological Conference, British Columbia CA. Aug 14-17 2012. Quantifying migratory connectivity using direct and indirect techniques of a long distance migratory songbird. M. T. Hallworth, T. S. Sillett and P. P. Marra
North American Ornithological Conference, British Columbia CA. Aug 14-17 2012. Extra-pair paternity in a Canada Warbler population in central New Hampshire L. Reitsma, J. Jukosky,M. Goodnow, A. Kimiatek, M. T. Hallworth, J. Wampler
Hubbard Brook Experimental Forest Annual Cooperators Meeting, Thorton, NH. July 2012. Comparing the use of direct and indirect techniques for quantifying migratory connectivity of a Neotropical migratory bird. M. T. Hallworth, T. S. Sillett and P.P. Marra
Hubbard Brook Experimental Forest Annual Cooperators Meeting, Thorton, NH. July 2011. Identifying migratory connectivity of a songbird using archival light level geolocators. M. T. Hallworth, T. S. Sillett and P. P. Marra
Hubbard Brook Experimental Forest Annual Cooperators Meeting, Thorton, NH. July 2010. Do seasonal interactions determine individual- and population-level dynamics in the Ovenbird? M. T. Hallworth, P. P. Marra and T. S. Sillett
American Ornithological Union, Philadelphia, PA, Aug 12-15 2009, Breeding biology of the Canada Warbler (Wilsonia canadensis). M. L. Goodnow, M. T. Hallworth, P. M. Benham, J. Wampler, L. Reitsma
American Ornithological Union, Philadelphia, PA. Aug 12-15 2009, Habitat and Mixed-species Flock Use by Boreal Migrants in Eastern Ecuador with Emphasis on Canada Warbler. P. M. Benham, M. T. Hallworth, L. Reitsma
American Ornithological Union, Portland, Oregon, Aug 4-8 2008, Nest Site Selection of the Canada Warbler in Central New Hampshire, M. Goodnow, M. Hallworth, L. Reitsma
American Ornithological Union, Laramie, WY, Aug 8-11 2007, Canada Warbler Breeding Ecology in Young Forest Stands Compared to Red Maple Swamp, L. Reitsma, M. Hallworth, P. Benham and J.D. Lambert
American Ornithological Union, Laramie, WY, Aug 8-11 2007, Habitat Use of Territorial Louisiana Waterthrushes Overwintering along Streams in the Caribbean National Forest, Puerto Rico, M. Hallworth and L. Reitsma
North American Ornithological Conference, Verecruz, Mexico, Oct 3-7 2006, Habitat Selection, Site Fidelity and Reproductive Success of the Canada Warbler (Wilsonia Canadensis) in Central New Hampshire, M. Hallworth and L. Reitsma
4th Annual Environmental Symposium, Bridgewater State College, Oct 2005, Influence of Land Use on Ecosystem Function in Savanna and Humid Tropical Montane Regions of East Africa, M. Elander, K. Parent, M. Hallworth and L. Reitsma
4th Annual Environmental Symposium, Bridgewater State College, Oct 2005, Old and New World Temperate Forests Comparison of Vegetative Cover along an Elevational Gradient in New Hampshire and Romania, M. Goodnow, N. Dalzell, M. Hallworth, M. Elander, K. Parent and L. Reitsma
4th Annual Environmental Symposium, Bridgewater State College, Oct 2005, Habitat Selection of the Canada Warbler in Central New Hampshire: Important Considerations for this Species of Special Concern, M. Hallworth and L. Reitsma
** Denotes undergraduate student as co-author
** Denotes undergraduate student as co-author
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thornton, NH. July 2018. Migratory phenology influences the population growth rate of a long distance migratory songbird. Hallworth, M. T., T. S. Sillett and P. P. Marra.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thornton, NH. July 2018. Feathers, molt and carry-overs: possibilities for ptilochronology in the black-throated blue warbler. K. Savides**, M. T. Hallworth, T. S. Sillett and M. S. Webster.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thornton, NH. July 2018. How is a changing climate affecting animal ranges in the Hubbard Brook ecosystem? A. Van Tatenhove**, E. Filiberti**, M. T. Hallworth, and T. S. Sillett.
American Ornithological Society’s Annual Meeting. Tucson, AZ. April 2018. Insights into the black-box of long-distance migration revealed by emerging tracking technology. Hallworth, M. T., E. B., Cohen, N. W. Cooper, T. S. Sillett, T. B. Ryder and P. P. Marra.
American Ornithological Society's Annual Meeting. East Lansing, MI. Aug 2017. Birds on the move: Spatial ecology of individuals, populations and communities. M. T. Hallworth
American Ornithological Society's Annual Meeting. East Lansing, MI. Aug 2017. The cost of reproduction in a greening world. T. S. Sillett, M. T. Hallworth, N. L. Rodenhouse, S. A. Kaiser, and M. Webster. * presented by M. T. Hallworth
**Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2017. Is global change driving distributional shifts of birds breeding in the White Mountain National Forest? E. Filiberti, M. T. Hallworth, N. Rodenhouse and T. S. Sillett.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2017. The cost of reproduction in a greening world. T. S. Sillett, M. T. Hallworth, N. L. Rodenhouse, S. A. Kaiser, and M. Webster. * presented by M.T.Hallworth
British Ornithological Union Annual Meeting. Warwick, UK. March 2017. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. S. Sillett, N. L. Rodenhouse and P. P. Marra.
North American Ornithological Congress, Washington, D.C. Aug. 2016. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. Scott Sillett, N. L. Rodenhouse and P. P. Marra.
North American Ornithological Congress, Washington, D.C. Aug. 2016. Light-level geolocation reveals wintering distribution, migration routes, and primary stopover locations of an endangered long-distance migratory songbird. N. W. Cooper, M. T. Hallworth, and P. P. Marra.
North American Ornithological Congress, Washington, D.C. Aug. 2016. Assessing migratory connectivity of Prothonotary warblers using light-level geolocators. E. Johnson, M. T. Hallworth, L. Bulluck, C. Viverette, J. Reese, M. Johnson, T. Boves, M. Slevin, A. Matthews, C. Tonra, R. Wilson, and J. Wolfe.
North American Ornithological Congress, Washington, D.C. Aug. 2016. Modelling the breeding distribution of Loggerhead Shrikes (Lanius ludovicianus) in southeastern U.S. A. E. M. Johnson, T. S. Sillett, W. McShea, D. Luther and M. T. Hallworth.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2016. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. Scott Sillett, N. L. Rodenhouse and P. P. Marra.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH. July 2016. The strength of migratory connectivity affects demography of two Neotropical migratory songbirds. M. T. Hallworth, T. S. Sillett, N. L. Rodenhouse and P. P. Marra.
Entomology and Wildlife Ecology Dept. Seminar, University of Delaware, Oct. 2015. Birds on the move: Spatial ecology of individuals, populations and communities. M. T. Hallworth.
Ecological Society of America Annual Meeting. Baltimore, MD. 2015. Temporal and spatial heterogeneity of avian community dynamics within a forested landscape M.T. Hallworth, T. S. Sillett, N. L. Rodenhouse and C. E. Studds.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH July 2015. Modeling valley-wide bird data: Spatial & temporal patterns and linking demography to underlying environmental drivers. M.T. Hallworth, T. S. Sillett, C. E. Studds and N. L. Rodenhouse.
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH July 2015. Miniaturized GPS Tags Identify Non-breeding Territories of a Small Breeding Migratory Songbird. M.T. Hallworth, and P.P. Marra.
Smithsonian Conservation Biology Institute, Washington, D.C, November 2014. The influence of migratory connectivity and seasonal interactions on individual- and population-level dynamics of a long distance migratory songbird. M. T. Hallworth
AOU/COS/SCO 2014 Joint Meeting. Estes Park, CO. Sept. 2014. Seasonal interactions influence individuals and the population growth rate of a long distance migratory songbird. M. T. Hallworth, T. S. Sillett, L. L. Rockwood and P. P. Marra.
North America Congress for Conservation Biology. Missoula, MT. July 2014. Migratory connectivity of a Neotropical migratory songbird revealed using archival light-level geolocators. M. T. Hallworth, T.S. Sillett, S. Van Wilgenburg, K.A. Hobson and P.P. Marra.
Symposium on Animal Movement and the Environment. Raleigh N.C. May 2014. Migratory connectivity of a Neotropical migratory songbird revealed using archival light-level geolocators. M.T. Hallworth, T.S. Sillett, S. Van Wilgenburg, K.A. Hobson and P.P. Marra. YouTube
Bahamas Natural History Conference. March 2014. Discovering the migratory connectivity of the Kirtland's Warbler.
N. E. Diggs, S. Rockwell, D. Elbert, S. Hicks, C. Mensing, M.T. Hallworth, D. Ewert, V. Cavalieri, J. Wunderle and P. P. Marra. pdf
Hubbard Brook Experimental Forest Annual Cooperators Meeting. Thorton, NH July 2013. Range-wide migratory connectivity of a Neotropical migratory songbird revealed by archival light-level geolocators. M.T. Hallworth, T.S. Sillett, S. Van Wilgenburg, K. A. Hobson and P.P. Marra.
George Mason University, Population Ecology Guest Lecture, Oct 4 2012. Do seasonal interactions determine individual- and population-level dynamics in the Ovenbird? M. T. Hallworth, T.S. Sillett and P.P. Marra
**MD/DE Wildlife Society Fall Meeting, Columbia, MD. Sept 21, 2012. Relating female Ovenbird movement during the nesting cycle to food abundance. L. Bryant and M. T. Hallworth
**Wildlife Habitat Council 24th Annual Symposium , Baltimore, MD. Nov 7-8, 2012. Relating female Ovenbird movement during the nesting cycle to food abundance. L. Bryant and M. T. Hallworth
North American Ornithological Conference, British Columbia CA. Aug 14-17 2012. Quantifying migratory connectivity using direct and indirect techniques of a long distance migratory songbird. M. T. Hallworth, T. S. Sillett and P. P. Marra
North American Ornithological Conference, British Columbia CA. Aug 14-17 2012. Extra-pair paternity in a Canada Warbler population in central New Hampshire L. Reitsma, J. Jukosky,M. Goodnow, A. Kimiatek, M. T. Hallworth, J. Wampler
Hubbard Brook Experimental Forest Annual Cooperators Meeting, Thorton, NH. July 2012. Comparing the use of direct and indirect techniques for quantifying migratory connectivity of a Neotropical migratory bird. M. T. Hallworth, T. S. Sillett and P.P. Marra
Hubbard Brook Experimental Forest Annual Cooperators Meeting, Thorton, NH. July 2011. Identifying migratory connectivity of a songbird using archival light level geolocators. M. T. Hallworth, T. S. Sillett and P. P. Marra
Hubbard Brook Experimental Forest Annual Cooperators Meeting, Thorton, NH. July 2010. Do seasonal interactions determine individual- and population-level dynamics in the Ovenbird? M. T. Hallworth, P. P. Marra and T. S. Sillett
American Ornithological Union, Philadelphia, PA, Aug 12-15 2009, Breeding biology of the Canada Warbler (Wilsonia canadensis). M. L. Goodnow, M. T. Hallworth, P. M. Benham, J. Wampler, L. Reitsma
American Ornithological Union, Philadelphia, PA. Aug 12-15 2009, Habitat and Mixed-species Flock Use by Boreal Migrants in Eastern Ecuador with Emphasis on Canada Warbler. P. M. Benham, M. T. Hallworth, L. Reitsma
American Ornithological Union, Portland, Oregon, Aug 4-8 2008, Nest Site Selection of the Canada Warbler in Central New Hampshire, M. Goodnow, M. Hallworth, L. Reitsma
American Ornithological Union, Laramie, WY, Aug 8-11 2007, Canada Warbler Breeding Ecology in Young Forest Stands Compared to Red Maple Swamp, L. Reitsma, M. Hallworth, P. Benham and J.D. Lambert
American Ornithological Union, Laramie, WY, Aug 8-11 2007, Habitat Use of Territorial Louisiana Waterthrushes Overwintering along Streams in the Caribbean National Forest, Puerto Rico, M. Hallworth and L. Reitsma
North American Ornithological Conference, Verecruz, Mexico, Oct 3-7 2006, Habitat Selection, Site Fidelity and Reproductive Success of the Canada Warbler (Wilsonia Canadensis) in Central New Hampshire, M. Hallworth and L. Reitsma
4th Annual Environmental Symposium, Bridgewater State College, Oct 2005, Influence of Land Use on Ecosystem Function in Savanna and Humid Tropical Montane Regions of East Africa, M. Elander, K. Parent, M. Hallworth and L. Reitsma
4th Annual Environmental Symposium, Bridgewater State College, Oct 2005, Old and New World Temperate Forests Comparison of Vegetative Cover along an Elevational Gradient in New Hampshire and Romania, M. Goodnow, N. Dalzell, M. Hallworth, M. Elander, K. Parent and L. Reitsma
4th Annual Environmental Symposium, Bridgewater State College, Oct 2005, Habitat Selection of the Canada Warbler in Central New Hampshire: Important Considerations for this Species of Special Concern, M. Hallworth and L. Reitsma
** Denotes undergraduate student as co-author
AWARDS / GRANTS
Smithsonian Institution's Competitive Grants Program for Science 2018 - Sillett, T.S. and M. T. Hallworth - $55,744
Smithsonian Institution's Competitive Grants Program for Science 2017 - Sillett, T. S., T. B. Ryder and M. T. Hallworth - $54,000
Postdoctoral Travel Award - AOS:SCO 2017 Joint Meeting 2017 - M. T. Hallworth - $320
Envtl. Science and Public Policy's best PhD dissertation award 2014/15- George Mason University - M.T. Hallworth - $100
Dissertation Completion Grant- Spring 2014 – George Mason University- M. T. Hallworth - $8,000
Travel Award - AOU:COS:SCO 2014 Joint Meeting 2014 - M. T. Hallworth - $330
Smithsonian Institution’s Competitive Grants Program for Science 2012 – Marra, P.P. and M. T. Hallworth - $33,821
Max and Vera Britton Environmental Science Award, The Trustees of the Cosmos Club Foundation, 2012
Cosmos Scholar 2012, M. T. Hallworth - $2,500
Alexander Wetmore Research Award, American Ornithological Union, M. T. Hallworth - 2012 - $2,500
Visiting Student Fellow, Smithsonian Institution, 2010 $5,000
Smithsonian Endowment Bond 2010- Marra, P.P. and M. T. Hallworth - $49, 860
Golden Key International Honour Society, 2009
Graduate teaching assistantship – George Mason University 2008-2013.
Who’s Who Among College Students Award, 2008
Who’s Who Among College Students Award, 2003
U.S. Army Reserve National Scholar/Athlete Award, 2001
Smithsonian Institution's Competitive Grants Program for Science 2018 - Sillett, T.S. and M. T. Hallworth - $55,744
Smithsonian Institution's Competitive Grants Program for Science 2017 - Sillett, T. S., T. B. Ryder and M. T. Hallworth - $54,000
Postdoctoral Travel Award - AOS:SCO 2017 Joint Meeting 2017 - M. T. Hallworth - $320
Envtl. Science and Public Policy's best PhD dissertation award 2014/15- George Mason University - M.T. Hallworth - $100
Dissertation Completion Grant- Spring 2014 – George Mason University- M. T. Hallworth - $8,000
Travel Award - AOU:COS:SCO 2014 Joint Meeting 2014 - M. T. Hallworth - $330
Smithsonian Institution’s Competitive Grants Program for Science 2012 – Marra, P.P. and M. T. Hallworth - $33,821
Max and Vera Britton Environmental Science Award, The Trustees of the Cosmos Club Foundation, 2012
Cosmos Scholar 2012, M. T. Hallworth - $2,500
Alexander Wetmore Research Award, American Ornithological Union, M. T. Hallworth - 2012 - $2,500
Visiting Student Fellow, Smithsonian Institution, 2010 $5,000
Smithsonian Endowment Bond 2010- Marra, P.P. and M. T. Hallworth - $49, 860
Golden Key International Honour Society, 2009
Graduate teaching assistantship – George Mason University 2008-2013.
Who’s Who Among College Students Award, 2008
Who’s Who Among College Students Award, 2003
U.S. Army Reserve National Scholar/Athlete Award, 2001
PROFESSIONAL AFFILIATIONS:
American Ornithological Union Wilson Ornithological Society British Ornithological Union INVITED PEER REVIEWER The Wilson Journal of Ornithology The Auk Journal of Forest Ecology and Management Journal of Field Ornithology Journal of Avian Biology Proceedings of the California Islands Symposium Behavioral Ecology Condor European Journal of Wildlife Research Avian Conservation and Ecology Ecological Monographs Animal Movement PROFESSIONAL SERVICE ECO Workplace Climate Committee - UMass Amherst Early Career Professional Committee - AOS American Ornithological Society Student Presentation judge (2016-2017) Wilson Ornithological Society Award - reviewer (2017) |
OUTREACH
Sharp, A. J., and M. T. Hallworth. 2016. A summer at Hubbard Brook - more than just counting birds - Smithsonian Migratory Bird Center's expedition blog.
National Zoo, Bird House. March 2016. The life of an Ovenbird. M.T. Hallworth.
Innovations Family Day, Smithsonian National Air and Space Museum's Steven F. Udvar Hazy Center. June 2015 Miniaturized GPS Tags Identify Non-breeding Territories of a Small Breeding Migratory Songbird. M.T. Hallworth, and P.P. Marra. Poster & Video on display
Hallworth, M. T. 2011. A Mid-Summer and Mid-Wood Bird (Ovenbird) Migratory Bird Center’s Bird of the Month.
COURSES TAUGHT
Ecological Responses to Climate Change (ECO 691E) - University of Massachusetts Amherst - Spring 2019
Get spatial! Using R as GIS and spatial analyses - April 2018; June 2019
Modelling Occupancy and Abundance - Guest lecture - University of Delaware – 2016. R code
Light-level geolocation using open source tools – workshop co-instructor – 2015.
Spatial Patterns in Richness and Abundance – Guest lecture – University of Maryland, Baltimore County – 2015.
Entomology & Wildlife Ecology R Lunch - University of Delaware – 2015. ENWC R Lunch
Modeling Occupancy and Abundance – lecture – Smithsonian Conservation Biology Institute – 2015.
Modeling Occupancy and Abundance – lab – Smithsonian Conservation Biology Institute – 2015.
Spatial Analyses in R – Guest lecture – University of Maryland, Baltimore County – 2015.
R markdown – Guest lecture – University of Maryland, Baltimore County – 2015.
New Technologies in the study of migration – lecture – Smithsonian Conservation Biology Institute – 2014,2015
Geolocator Analysis – lab – Smithsonian Conservation Biology Institute – 2014,2015
Geolocator Analysis – lab – University of Maryland, Baltimore County – 2014
Principles in Ecology and Evolution – lab (BIOL 308) – George Mason University 2012-2013
Ecology – lab (BIOL 307) – George Mason University 2009-2011
Human Anatomy and Physiology – lab (BIOL 124) – George Mason University – 2008
Tropical Ecology – co-taught course in Puerto Rico – Plymouth State University – 2008
Introduction to Biology –lecture (BIOL 1010) – Plymouth State University – 2007
Field Ecology for High School Teachers – co-instructor – New England Institute for Landscape Ecology – 2005 & 2006
TRAINING/WORKSHOPS
Hierarchical model for abundance in BUGS/JAGS and unmarked – 9-13 Nov. 2015
Occupancy Models in BUGS/JAGS and unmarked – 12-14 Nov. 2013
Instructors - Marc Kéry & J. Andy Royle
Sharp, A. J., and M. T. Hallworth. 2016. A summer at Hubbard Brook - more than just counting birds - Smithsonian Migratory Bird Center's expedition blog.
National Zoo, Bird House. March 2016. The life of an Ovenbird. M.T. Hallworth.
Innovations Family Day, Smithsonian National Air and Space Museum's Steven F. Udvar Hazy Center. June 2015 Miniaturized GPS Tags Identify Non-breeding Territories of a Small Breeding Migratory Songbird. M.T. Hallworth, and P.P. Marra. Poster & Video on display
Hallworth, M. T. 2011. A Mid-Summer and Mid-Wood Bird (Ovenbird) Migratory Bird Center’s Bird of the Month.
COURSES TAUGHT
Ecological Responses to Climate Change (ECO 691E) - University of Massachusetts Amherst - Spring 2019
Get spatial! Using R as GIS and spatial analyses - April 2018; June 2019
Modelling Occupancy and Abundance - Guest lecture - University of Delaware – 2016. R code
Light-level geolocation using open source tools – workshop co-instructor – 2015.
Spatial Patterns in Richness and Abundance – Guest lecture – University of Maryland, Baltimore County – 2015.
Entomology & Wildlife Ecology R Lunch - University of Delaware – 2015. ENWC R Lunch
Modeling Occupancy and Abundance – lecture – Smithsonian Conservation Biology Institute – 2015.
Modeling Occupancy and Abundance – lab – Smithsonian Conservation Biology Institute – 2015.
Spatial Analyses in R – Guest lecture – University of Maryland, Baltimore County – 2015.
R markdown – Guest lecture – University of Maryland, Baltimore County – 2015.
New Technologies in the study of migration – lecture – Smithsonian Conservation Biology Institute – 2014,2015
Geolocator Analysis – lab – Smithsonian Conservation Biology Institute – 2014,2015
Geolocator Analysis – lab – University of Maryland, Baltimore County – 2014
Principles in Ecology and Evolution – lab (BIOL 308) – George Mason University 2012-2013
Ecology – lab (BIOL 307) – George Mason University 2009-2011
Human Anatomy and Physiology – lab (BIOL 124) – George Mason University – 2008
Tropical Ecology – co-taught course in Puerto Rico – Plymouth State University – 2008
Introduction to Biology –lecture (BIOL 1010) – Plymouth State University – 2007
Field Ecology for High School Teachers – co-instructor – New England Institute for Landscape Ecology – 2005 & 2006
TRAINING/WORKSHOPS
Hierarchical model for abundance in BUGS/JAGS and unmarked – 9-13 Nov. 2015
Occupancy Models in BUGS/JAGS and unmarked – 12-14 Nov. 2013
Instructors - Marc Kéry & J. Andy Royle