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2018

Effects of drought on brood parasite body condition, follicle development, and parasitism: Implications for host-parasite dynamics

Buxton, V. L., Schelsky, W. M., Boves, T. J., Summers, S., Weatherhead, P. J. & Sperry, J. H., Oct 1 2018, In : Auk. 135, 4, p. 908-918 11 p.

Research output: Contribution to journalArticle

Geographic variation in body size and sexual size dimorphism of north american ratsnakes (Pantherophis spp. s.l.)

Degregorio, B. A., Blouin-Demers, G., Carfagno, G. L. F., Gibbons, J. W., Mullin, S. J., Sperry, J. H., Willson, J. D., Wray, K. & Weatherhead, P. J., Jan 1 2018, In : Canadian journal of zoology. 96, 11, p. 1196-1202 7 p.

Research output: Contribution to journalArticle

2017

Climatic and geographic predictors of life history variation in Eastern Massasauga (Sistrurus catenatus): A range-wide synthesis

Hileman, E. T., King, R. B., Adamski, J. M., Anton, T. G., Bailey, R. L., Baker, S. J., Bieser, N. D., Bell, T. A., Bissell, K. M., Bradke, D. R., Campa, H., Casper, G. S., Cedar, K., Cross, M. D., DeGregorio, B. A., Dreslik, M. J., Faust, L. J., Harvey, D. S., Hay, R. W., Jellen, B. C. & 25 others, Johnson, B. D., Johnson, G., Kiel, B. D., Kingsbury, B. A., Kowalski, M. J., Lee, Y. M., Lentini, A. M., Marshall, J. C., Mauger, D., Moore, J. A., Paloski, R. A., Phillips, C. A., Pratt, P. D., Preney, T., Prior, K. A., Promaine, A., Redmer, M., Reinert, H. K., Rouse, J. D., Shoemaker, K. T., Sutton, S., VanDeWalle, T. J., Weatherhead, P. J., Wynn, D. & Yagi, A., Feb 2017, In : PloS one. 12, 2, e0172011.

Research output: Contribution to journalArticle

Translocating ratsnakes: Does enrichment offset negative effects of time in captivity?

Degregorio, B. A., Sperry, J. H., Tuberville, T. D. & Weatherhead, P. J., Jan 1 2017, In : Wildlife Research. 44, 5, p. 438-448 11 p.

Research output: Contribution to journalArticle

2016

Do seasonal patterns of rat snake (Pantherophis obsoletus) and black racer (Coluber constrictor) activity predict avian nest predation?

DeGregorio, B. A., Weatherhead, P. J., Ward, M. P. & Sperry, J. H., Apr 1 2016, In : Ecology and Evolution. 6, 7, p. 2034-2043 10 p.

Research output: Contribution to journalArticle

Ecology and predation behavior of corn snakes (Pantherophis guttatus) on avian nests

Degregorio, B. A., Weatherhead, P. J. & Sperry, J. H., Apr 2016, In : Herpetological Conservation and Biology. 11, 1, p. 150-159 10 p.

Research output: Contribution to journalArticle

Survival and behavior of juvenile black-capped vireos (Vireo atricapilla)

Dittmar, E. M., Cimprich, D. A., Sperry, J. H. & Weatherhead, P. J., Dec 2016, In : Wilson Journal of Ornithology. 128, 4, p. 775-783 9 p.

Research output: Contribution to journalArticle

2015

Indirect effect of climate change: Shifts in ratsnake behavior alter intensity and timing of avian nest predation

DeGregorio, B. A., Westervelt, J. D., Weatherhead, P. J. & Sperry, J. H., Sep 4 2015, In : Ecological Modelling. 312, p. 239-246 8 p.

Research output: Contribution to journalArticle

Wait Until Dark? Daily Activity Patterns and Nest Predation by Snakes

DeGregorio, B. A., Sperry, J. H., Ward, M. P. & Weatherhead, P. J., Dec 1 2015, In : Ethology. 121, 12, p. 1225-1234 10 p.

Research output: Contribution to journalArticle

2014

Brood parasitism of black-capped vireos: Frontline and post-laying behavioral responses and effects on productivity

Boves, T. J., Sperry, J. H., Comolli, K. & Weatherhead, P. J., Dec 1 2014, In : Journal of Field Ornithology. 85, 4, p. 364-378 15 p.

Research output: Contribution to journalArticle

Facultative nocturnal behaviour in snakes: Experimental examination of why and how with Ratsnakes (Elaphe obsoleta) and Racers (Coluber constrictor)

DeGregorio, B. A., Sperry, J. H., Valente, D. P. & Weatherhead, P. J., Jan 1 2014, In : Canadian journal of zoology. 92, 3, p. 229-237 9 p.

Research output: Contribution to journalArticle

Habitat selection by juvenile black-capped vireos following independence from parental care

Dittmar, E. M., Cimprich, D. A., Sperry, J. H. & Weatherhead, P. J., Aug 2014, In : Journal of Wildlife Management. 78, 6, p. 1005-1011 7 p.

Research output: Contribution to journalArticle

Moving massasaugas: Insight into rattlesnake relocation using sistrurus c. catenatus

Harvey, D. S., Lentini, A. M., Cedar, K. & Weatherhead, P. J., Jul 1 2014, In : Herpetological Conservation and Biology. 9, 1, p. 67-75 9 p.

Research output: Contribution to journalArticle

Power lines, roads, and avian nest survival: Effects on predator identity and predation intensity

Degregorio, B. A., Weatherhead, P. J. & Sperry, J. H., May 2014, In : Ecology and Evolution. 4, 9, p. 1589-1600 12 p.

Research output: Contribution to journalArticle

Snake predation on North American bird nests: Culprits, patterns and future directions

Degregorio, B. A., Chiavacci, S. J., Weatherhead, P. J., Willson, J. D., Benson, T. J. & Sperry, J. H., Jul 2014, In : Journal of Avian Biology. 45, 4, p. 325-333 9 p.

Research output: Contribution to journalArticle

2013

A test of radio-transmitter effects on parental investment and productivity in the Northern Cardinal

Barron, D. G., Weatherhead, P. J. & Brawn, J. D., Aug 1 2013, In : Condor. 115, 3, p. 669-676 8 p.

Research output: Contribution to journalArticle

Effects of temperature, moon phase, and prey on nocturnal activity in Ratsnakes: An automated telemetry study

Sperry, J. H., Ward, M. P. & Weatherhead, P. J., Mar 2013, In : Journal of Herpetology. 47, 1, p. 105-111 7 p.

Research output: Contribution to journalArticle

Evaluation of automated radio telemetry for quantifying movements and home ranges of snakes

Ward, M. P., Sperry, J. H. & Weatherhead, P. J., Jun 1 2013, In : Journal of Herpetology. 47, 2, p. 337-345 9 p.

Research output: Contribution to journalArticle

Time in captivity affects foraging behavior of ratsnakes: Implications for translocation

DeGregorio, B. A., Weatherhead, P. J., Tuberville, T. D. & Sperry, J. H., Dec 2013, In : Herpetological Conservation and Biology. 8, 3, p. 581-590 10 p.

Research output: Contribution to journalArticle

2012

Discrepancy between factors affecting nestling growth and survival and maternal success in Common Grackles

Maddox, J. D. & Weatherhead, P. J., Feb 2012, In : Journal of Field Ornithology. 83, 1, p. 17-25 9 p.

Research output: Contribution to journalArticle

Effects of military activity on breeding birds

Barron, D. G., Brawn, J. D., Butler, L. K., Romero, L. M. & Weatherhead, P. J., Jul 1 2012, In : Journal of Wildlife Management. 76, 5, p. 911-918 8 p.

Research output: Contribution to journalArticle

Experimental evidence that nesting ducks use mammalian urine to assess predator abundance

Eichholz, M. W., Dassow, J. A., Stafford, J. D. & Weatherhead, P. J., Oct 2012, In : Auk. 129, 4, p. 638-644 7 p.

Research output: Contribution to journalArticle

Implications of spatial patterns of roosting and movements of American robins for west Nile virus transmission

Benson, T. J., Ward, M. P., Lampman, R. L., Raim, A. & Weatherhead, P. J., Oct 1 2012, In : Vector-Borne and Zoonotic Diseases. 12, 10, p. 877-885 9 p.

Research output: Contribution to journalArticle

Increased nest defence of upland-nesting ducks in response to experimentally reduced risk of nest predation

Dassow, J. A., Eichholz, M. W., Stafford, J. D. & Weatherhead, P. J., Jan 1 2012, In : Journal of Avian Biology. 43, 1, p. 61-67 7 p.

Research output: Contribution to journalArticle

Individual and sex-based differences in behaviour and ecology of rat snakes in winter

Sperry, J. H. & Weatherhead, P. J., Jun 1 2012, In : Journal of Zoology. 287, 2, p. 142-149 8 p.

Research output: Contribution to journalArticle

Latitudinal variation in thermal ecology of North American ratsnakes and its implications for the effect of climate warming on snakes

Weatherhead, P. J., Sperry, J. H., Carfagno, G. L. F. & Blouin-Demers, G., Jul 1 2012, In : Journal of Thermal Biology. 37, 4, p. 273-281 9 p.

Research output: Contribution to journalArticle

Mortality patterns and the cost of reproduction in a northern population of Ratsnakes, Elaphe obsoleta

Weatherhead, P. J., Blouin-Demers, G. & Sperry, J. H., Mar 2012, In : Journal of Herpetology. 46, 1, p. 100-103 4 p.

Research output: Contribution to journalArticle

Range-wide analysis of eastern massasauga survivorship

Jones, P. C., King, R. B., Bailey, R. L., Bieser, N. D., Bissell, K., Campa, H., Crabill, T., Cross, M. D., Degregorio, B. A., Dreslik, M. J., Durbian, F. E., Harvey, D. S., Hecht, S. E., Jellen, B. C., Johnson, G., Kingsbury, B. A., Kowalski, M. J., Lee, J., Manning, J. V., Moore, J. A. & 12 others, Oakes, J., Phillips, C. A., Prior, K. A., Refsnider, J. M., Rouse, J. D., Sage, J. R., Seigel, R. A., Shepard, D. B., Smith, C. S., Vandewalle, T. J., Weatherhead, P. J. & Yagi, A., Nov 1 2012, In : Journal of Wildlife Management. 76, 8, p. 1576-1586 11 p.

Research output: Contribution to journalArticle

Snake behavior and seasonal variation in nest survival of northern cardinals Cardinalis cardinalis

Sperry, J. H., Barron, D. G. & Weatherhead, P. J., Nov 1 2012, In : Journal of Avian Biology. 43, 6, p. 496-502 7 p.

Research output: Contribution to journalArticle

2011

Assortative mating in relation to plumage traits shared by male and female American Robins

Rowe, K. M. C. & Weatherhead, P. J., Nov 1 2011, In : Condor. 113, 4, p. 881-889 9 p.

Research output: Contribution to journalArticle

Thermal ecology of massasauga rattlesnakes (sistrurus catenatus) near their northern range limit

Harvey, D. S. & Weatherhead, P. J., Jan 1 2011, In : Canadian Journal of Zoology. 89, 1, p. 60-68 9 p.

Research output: Contribution to journalArticle

2010

Habitat selection as the mechanism for thermoregulation in a northern population of massasauga rattlesnakes(Sistrurus catenatus)

Harvey, D. S. & Weatherhead, P. J., Dec 1 2010, In : Ecoscience. 17, 4, p. 411-419 9 p.

Research output: Contribution to journalArticle

Latitudinal variation in seasonal activity and mortality in ratsnakes (Elaphe obsoleta)

Sperry, J. H., Blouin-Demers, G., Carfagno, G. L. F. & Weatherhead, P. J., Jun 2010, In : Ecology. 91, 6, p. 1860-1866 7 p.

Research output: Contribution to journalArticle

Linking snake behavior to nest predation in a Midwestern bird community

Weatherhead, P. J., Carfagno, G. L. F., Sperry, J. H., Brawn, J. D. & Robinson, S. K., Jan 1 2010, In : Ecological Applications. 20, 1, p. 234-241 8 p.

Research output: Contribution to journalArticle

Ratsnakes and brush piles: Intended and unintended consequences of improving habitat for wildlife?

Sperry, J. H. & Weatherhead, P. J., Apr 1 2010, In : American Midland Naturalist. 163, 2, p. 311-317 7 p.

Research output: Contribution to journalArticle

2009

A third incubation tactic: Delayed incubation by american robins (Turdus migratorius)

Rowe, K. M. C. & Weatherhead, P. J., Jan 1 2009, In : Auk. 126, 1, p. 141-146 6 p.

Research output: Contribution to journalArticle

Diet of sistrurus catenatus in Ontario and Ohio: Effects of body size and habitat

Weatherhead, P. J., Knox, J. M., Harvey, D. S., Wynn, D., Chiucchi, J. & Gibbs, H. L., Dec 1 2009, In : Journal of Herpetology. 43, 4, p. 693-697 5 p.

Research output: Contribution to journalArticle

Directional gene flow patterns in disjunct populations of the black ratsnake (Pantheropis obsoletus) and the Blanding's turtle (Emydoidea blandingii)

Howes, B. J., Brown, J. W., Gibbs, H. L., Herman, T. B., Mockford, S. W., Prior, K. A. & Weatherhead, P. J., Apr 1 2009, In : Conservation Genetics. 10, 2, p. 407-417 11 p.

Research output: Contribution to journalArticle

Does prey availability determine seasonal patterns of habitat selection in Texas ratsnakes

Sperry, J. H. & Weatherhead, P. J., Mar 1 2009, In : Journal of Herpetology. 43, 1, p. 55-64 10 p.

Research output: Contribution to journalArticle

Effects of parasitic infection and radio-transmitters on condition, hematological characteristics and corticosterone concentrations in Texas ratsnakes

Sperry, J. H., Butler, L. K., Romero, L. M. & Weatherhead, P. J., Jun 1 2009, In : Journal of Zoology. 278, 2, p. 100-107 8 p.

Research output: Contribution to journalArticle

Is nest predation on two endangered bird species higher in habitats preferred by snakes?

Sperry, J. H., Cimprich, D. A., Peak, R. G. & Weatherhead, P. J., Dec 1 2009, In : Ecoscience. 16, 1, p. 111-118 8 p.

Research output: Contribution to journalArticle

Multi-year seasonal sex-allocation patterns in red-winged blackbirds (Agelaius phoeniceus)

Weatherhead, P. J., Jan 1 2009, In : Auk. 126, 1, p. 181-185 5 p.

Research output: Contribution to journalArticle

Ratsnake response to bottomland flooding: Implications for avian nest predation

Carfagno, G. L. F. & Weatherhead, P. J., Dec 1 2009, In : Acta Herpetologica. 4, 2, p. 191-194 4 p.

Research output: Contribution to journalArticle

Seasonal sex allocation by Common Grackles? Revisiting a foundational study

Maddox, J. D. & Weatherhead, P. J., Nov 1 2009, In : Ecology. 90, 11, p. 3190-3196 7 p.

Research output: Contribution to journalArticle

Sex differences in behavior associated with sex-biased mortality in an oviparous snake species

Sperry, J. H. & Weatherhead, P. J., Apr 2009, In : Oikos. 118, 4, p. 627-633 7 p.

Research output: Contribution to journalArticle

2008

Egg size variation in birds with asynchronous hatching: Is bigger really better?

Maddox, J. D. & Weatherhead, P. J., Mar 1 2008, In : American Naturalist. 171, 3, p. 358-365 8 p.

Research output: Contribution to journalArticle

Energetics and space use: Intraspecific and interspecific comparisons of movements and home ranges of two Colubrid snakes

Carfagno, G. L. F. & Weatherhead, P. J., Mar 1 2008, In : Journal of Animal Ecology. 77, 2, p. 416-424 9 p.

Research output: Contribution to journalArticle

Parental care in response to natural variation in nest predation pressure in six sunfish (Centrarchidae: Teleostei) species

Cooke, S. J., Weatherhead, P. J., Wahl, D. H. & Philipp, D. P., Dec 1 2008, In : Ecology of Freshwater Fish. 17, 4, p. 628-638 11 p.

Research output: Contribution to journalArticle

Prey-mediated effects of drought on condition and survival of a terrestrial snake

Sperry, J. H. & Weatherhead, P. J., Oct 1 2008, In : Ecology. 89, 10, p. 2770-2776 7 p.

Research output: Contribution to journalArticle