Katz, A.D., S.J. Tetzlaff, M.D. Johnson, J.D. Noble, S. Rood, D. Maki and J.H. Sperry. 2023. Molecular identification and environmental DNA detection of gill lice ectoparasites associated with brook trout population declines. Transactions of the American Fisheries Society, https://doi.org/10.1002/tafs.10439.

Gabrielson, S.M.E., R. L. Mau, E. Dittmar, J.P. Kelley, C.E. Tarwater, D.R. Drake, J.H. Sperry, and J.T. Foster. 2023. DNA Metabarcoding reveals diet composition of invasive rats and mice in Hawaiian forests. Biological Invasions, https://doi.org/10.1007/s10530-023-03159-4.

Tetzlaff, S., M.A. Davis, G. Shuett, E. Hileman, J. Sperry, and W. Brown. 2023. Maladapted in the Anthropocene: communal hyperfidelity among snakes. Frontiers in Ecology and the Environment, https://doi.org/10.1002/fee.2656.

Tetzlaff, Sasha; Vizentin-Bugoni, Jeferson; Sperry, Jinelle; Davis, Mark; Clark, Rulon; Repp, Roger; Schuett, Gordon. 2023. Fission-Fusion Dynamics in the Social Networks of a North American Pitviper. Ecology and Evolution, 13, e10339. https://doi.org/10.1002/ece3.10339.

Johnson, M.D., Katz, A.D., Davis, M.A., Tetzlaff, S., Edlund, D., Tomczyk, S., Molano‐Flores, B., Wilder, T. and Sperry, J.H., 2023. Environmental DNA metabarcoding from flowers reveals arthropod pollinators, plant pests, parasites, and potential predator–prey interactions while revealing more arthropod diversity than camera traps. Environmental DNA. https://doi.org/10.1002/edn3.411

Lassiter E.V., J.H. Sperry, and B.A. DeGregorio. 2023. Movement ecology of adult and juvenile spotted turtles (Clemmys guttata) in a seasonally dynamic environment. Wildlife Research https://doi.org/10.1071/WR22107

Avrin, A.C., C.E. Pekins, C.C. Wilmers, J.H. Sperry and M.L. Allen. 2023. Can a mesocarnivore fill the functional role of an apex predator? Ecosphere DOI: 10.1002/ecs2.4383.

Kays, R., et al., 2022. SNAPSHOT USA 2020: A second coordinated national camera trap survey of the United States during the COVID‐19 pandemic. Ecology https://doi.org/10.1002/ecy.3775.

Case, S.B. K. Postelli, D. R. Drake, J. Vizentin-Bugoni, J. T. Foster, J. H. Sperry, J. P. Kelley, and C. E. Tarwater. 2022. Introduced galliforms as seed predators and dispersers in Hawaiian forests. Biological Invasions, https://doi.org/10.1007/s10530-022-02830-6.

Vizentin-Bugoni, J., J.H. Sperry, J.P. Kelley, J.T. Foster, D.R. Drake, S.B. Case, J.M. Gledtisch, A.M. Hruska, R.C. Wilcox, and C.E. Tarwater. 2022. Mechanisms underlying interaction frequencies and robustness in a novel seed dispersal network: lessons for restoration. Proceedings of the Royal Society B, 289 (1982), 20221490

Navqi, Q., P.J. Wolff, B. Molano-Flores and J.H. Sperry. 2022. Camera traps are an effective tool for monitoring insect-plant interactions. Ecology and Evolution, DOI: 10.1002/ece3.8962

Tetzlaff, S.J., J.H. Sperry and B.A. DeGregorio. 2022. You can go your own way: no evidence for social behavior based on kinship or familiarity in captive juvenile box turtles. Applied Animal Behaviour Sciences 248: 105586 https://doi.org/10.1016/j.applanim.2022.105586

Kays, R., et al. 2022. Snapshot USA 2020: A second coordinated national camera trap survey of the United State during the COVID-19 pandemic. Ecology 103 (10), e3775.

Avrin, A., C.E. Pekins, J.H. Sperry, P.J. Wolff, and Maximilian L. Allen. 2021. Efficacy of attractants for detecting Eastern spotted skunks: an experimental approach. Wildlife Biology 4: wlb.00880. https://doi.org/10.2981/wlb.00880

Avrin, A.C., C.E. Pekins, J.H. Sperry, and M.L. Allen. 2021. Evaluating the efficacy and decay of lures for improving carnivore detections with camera traps. Ecosphere 12: e03710.

Sperry, J.H., P.J. Wolf, C.A. Melder, J.G. Nevarez, S.D. Huskins and S.E. Pearce. 2021. Habitat use, activity patterns, and survival of Louisiana Pinesnakes (Pituophis ruthveni) in West-central Louisiana. Southeastern Naturalist 20: 273-292.

DeGregorio, B.A., J.H. Sperry and P.J. Weatherhead. 2021. Factors influencing the use of water-filled tree cavities by eastern ratsnakes (Pantherophis alleghaniensis). Herpetological Conservation and Biology 16: 173-182.

Vizentin-Bugoni, J., J.H. Sperry, J.P. Kelley, J.M. Gleditsch, J.T. Foster, D.R. Drake, A.M. Hruska, R.C. Wilcox, S.B. Case, and C.E. Tarwater. 2021. Ecological correlates of species’ roles in highly invaded dispersal networks. PNAS 118: e2009532118.

Gleditsch, J.M. and J.H. Sperry. 2020. Ecomorphological relationships and invasion history of non-native terrestrial bird species on Oahu Hawaii suggests ecological filtering during novel community assembly. Ecology and Evolution https://doi.org/10.1002/ece3.6843.

Katz, A.D., L.R. Harper, E.C. Sternhagen, S.E. Pearce, C.A. Melder, J.H. Sperry and M.A. Davis. 2020. Environmental DNA is effective in detecting the federally threatened Louisiana Pine Snake (Pituophis ruthveni). Environmental DNA https://doi.org/10.1002/edn3.126.

Buxton, V.L., J.K. Enos, J.H. Sperry, and M.P. Ward. 2020. A review of conspecific attraction for habitat selection across taxa. Ecology and Evolution 10: 12690-12699.

Tetzlaff, S.J., C.J. Robinson, B.A. Kingsbury, J.H. Sperry, and B.A. DeGregorio. 2020. Predators may lose interest in turtle acclimation pens: implications for translocations using soft release. Chelonian Conservation and Biology 19: 141-144.

Tetzlaff, S.J., D.C. Messmann, J.H. Sperry, and B.A. DeGregorio. 2020. An inexpensive box trap with potential to improve welfare of captured herpetofauna. Herpetology Notes 13: 151-155.

Graham, B.M., D.J. O’Hearn, I.E. MacAllister, and J.H. Sperry. 2020. Behavioral responses by northern leopard frog adults to conspecific chemical cues. Journal of Herpetology 54: 168-173.

Merrill, L., S. Tyndel, M.P. Ward, T.J. Benson, and J.H. Sperry. 2020. The effect of conspecific attraction on northern bobwhite presence. Journal of Field Ornithology 91: 189-198.

Katz, A.D., S. Pearce, C. Melder, J.H. Sperry, and M.A. Davis. 2020. Molecular sexing is a viable alternative to probing for determining sex in the imperiled Louisiana Pine Snake (Pituophis ruthveni). Conservation Genetics Resources. https:/doi/org/10.1007/s12686-020-01145-9.

Tetzlaff, S.J., A. Estrada, B.A. DeGregorio, and J.H. Sperry. 2020. Identification of factors affecting predation risk for juvenile turtles using 3D printed models. Animals 10: 275.

Vizentin-Bugoni, J., V.J. Debastianai, V.A.G. Bastazini, P.K., Maruyama, and J.H. Sperry. 2019. Including rewiring in the estimation of the robustness of mutalistic networks. Methods in Ecology and Evolution 11: 106-116.

Tetzlaff, S.J., J.H. Sperry, and B.A. DeGregorio. 2019. Effects of antipredator training, environmental enrichment, and soft release on wildlife translocations: a review and meta-analysis. Biological Conservation 236: 324–331.

MacDonald, S.E., Ward, M.P. and Sperry, J.H., 2019. Manipulating social information to promote frugivory by birds on a Hawaiian Island. Ecological Applications, p.e01963. https://doi.org/10.1002/eap.1963

Gleditsch, J.M. and Sperry, J.H. 2019. Rapid morphological change of non-native frugivores on the Hawaiian island of O’ahu. Evolution, 73: 1456-1465. doi:10.1111/evo.13744

Vizentin-Bugoni, J., C.E. Tarwater, J.T. Foster, D.R. Drake, J.M. Gleditsch, A.M. Hruska, J.P. Kelley, and J.H. Sperry 2019. Structure, spatial dynamics, and stability of novel seed dispersal mutualistic networks in Hawaiʻi. Science 364(6435): 78-82.

Tetzlaff, S.J., J.H. Sperry, and B.A. DeGregorio. 2018. Attempted depredation of a juvenile Eastern Box Turtle, Terrapene carolina (Linnaeus, 1758), by Sandhill Cranes, Antigone canadensis (Linnaeus, 1758). Herpetology Notes 11: 589–591.

Tetzlaff, S.J., J.H. Sperry, B.A. Kingsbury, and B.A. DeGregorio. 2019. Captive-rearing duration may be more important than environmental enrichment for enhancing turtle head-starting success. Global Ecology and Conservation 20: e00797.

Tetzlaff, S.J., J.H. Sperry, and B.A. DeGregorio. 2019. Tradeoffs with growth and behavior for captive box turtles head-started with environmental enrichment. Diversity 11: 40 (article in the Special Issue Advances in the Biology and Conservation of Turtles).

DeGregorio, B.A., J.H. Sperry, D.G. Kovar, and D.A. Steen. 2019. Southern flying squirrels (Glaucomys volans) as major predators of avian nest boxes in Conecuh National Forest, Alabama. Southeastern Naturalist 18: 476-488.

Buxton, V.L., W.M. Schelsky, T.J. Boves, S. Summers, P.J. Weatherhead, and J.H. Sperry. 2018. Effects of drought on brood parasite body condition, follicle development, and parasitism: implications for host-parasite dynamics. Auk, 135: 908-918.

Sauer, E.L., R.C. Fuller, C.L. Richards-Zawacki, J. Son, J.H. Sperry, and J.R. Rohr. 2018. Variation in individual temperature preferences, not behavioral fever, affects susceptibility to chytridiomycosis in amphibians. Proceedings of the Royal Society B, 285: 20191111.

Kovar, D., J.H. Sperry, D. Cimprich. 2018. Comparative reproductive ecology of co-occurring endangered and common shrubland birds. Wilson Journal of Ornithology, 130: 410-426.

Kovar, D.G., J.H. Sperry, and D.A. Cimprich. 2018. Effects of brush management on the reproductive ecology of endangered black-capped vireos. Southwestern Naturalist, 17: 270 – 285.

DeGregorio, B.A., M.J. Ravesi, J.H. Sperry, S.J. Tetzlaff, J. Josimovich, M. Matthews, and B.A. Kingsbury. 2018. Daily and seasonal activity patterns of the Eastern Massasauga (Sistrurus catenatus): An automated radio telemetry study. Herpetological Conservation and Biology, 13: 10-16..

Tetzlaff, S.J., J.H. Sperry, and B.A. DeGregorio. 2018. Captive-reared juvenile box turtles innately prefer naturalistic habitat: implications for translocation. Applied Animal Behaviour Science, 204: 128-133.

Buxton, V.L., M.P. Ward and J.H. Sperry. 2018. Evaluation of conspecific attraction as a management tool across several species of anurans. Diversity, 10: doi:10.3390/d10010006

Wolff, P.J., B.A. DeGregorio, V. Rodriguez-Cruz, E. Mulero-Oliveras, J.H. Sperry. 2018. Bird community assemblage and distribution in a tropical, urban ecosystem of Puerto Rico. Tropical Conservation Science, 11: 1-10.

Hays, B.R., J. Sperry, D.R. Drake and A.M. Hruska. 2018. Husking stations provide insight into diet of nonnative rodents on O’ahu Hawai’i. Pacific Science 72: 335-344.

DeGregorio, B.A., J.H. Sperry, T. Tuberville and P.J. Weatherhead. 2017. Translocating ratsnakes – does enrichment offset negative effects of time in captivity? Biological Conservation, Wildlife Research, 44: 438-448.

Buxton, V.L., M.P. Ward, and J.H. Sperry. 2017. Frog breeding pond selection in response to predator presence and conspecific cues. Ethology 123: 397-404.

Buxton, V.L., and J. H. Sperry. 2017. Reproductive decisions in anurans: a review of how predation and competition affects deposition of eggs and tadpoles. BioScience 67: 27-38.

DeGregorio, B.A., S.J. Chiavacci, T.J. Benson, J.H. Sperry, and P.J. Weatherhead. 2016. Nest predators of North American birds: continental patterns and implications. Bioscience 66: 655-665.PDF

DeGregorio, B.A., J.H. Sperry, and P.J. Weatherhead. 2016. Ecology and predation behavior of corn snakes at avian nests. Herpetological Conservation and Biology. 11: 150-159PDF

DeGregorio, B.A., P.J. Weatherhead, and J.H. Sperry. 2016. Does seasonal and daily activity of rat snakes and racers influence avian nest survival? Ecology and Evolution 2016: 870-889.PDF

DeGregorio, B.A., J.H. Sperry, and P.J. Weatherhead. 2015. Wait until dark? Daily activity patterns and nest predation by snakes. Ethology: 121: 1225-1234.PDF

Buxton, V. L., J. Kraft, and J. H. Sperry. 2015. Geographic distribution: Hyla wrightorum (Arizona treefrog). Herpetological Review 46: 556-578.

Buxton, V.L., M.P. Ward, and J.H. Sperry. 2015. Use of chorus sounds for location of breeding habitat in 2 species of anuran amphibian. Behavioral Ecology 26: 1011-1018. PDF

DeGregorio, B.A., J.D. Westervelt, P.J. Weatherhead, and J.H. Sperry. 2015. Indirect effect of climate change: shifts in ratsnake behavior alter timing and intensity of nest predation. Ecological Modelling 312: 239-246. PDF

Tuberville, T.D., K.M. Andrews, J.H. Sperry, and A.M. Grosse. 2015. Use of the NatureServe climate change vulnerability index as an assessment tool for reptiles and amphibians: Lessons learned. Environmental Management 56: 822-834. PDF

Dittmar, E.M., D.A. Cimprich, J.H. Sperry, and P.J. Weatherhead. 2014. Habitat selection by juvenile black-capped vireos following independence from parental care. Journal of Wildlife Management 78: 1005-1011. PDF

Boves, T.J., J.H. Sperry, K. Comolli, and P.J. Weatherhead. 2014. Brood parasitism of an endangered songbird: risks, responses, and implications for mangement. Journal of Field Ornithology 85: 364-378. PDF

DeGregorio, B.A., P.J. Weatherhead, and J.H. Sperry. 2014. Powerlines, roads, and nest survival: effects on predator identity and predation intensity. Ecology and Evolution 4: 1589-1600. PDF

DeGregorio, B.A., S.J. Chiavacci, P.J. Weatherhead, J.D. Willson, T.J. Benson, and J.H. Sperry. 2014. Snake predation of North American bird nests: culprits, patterns, and future directions. Journal of Avian Biology 45: 325-333. PDF

DeGregorio, B.A., J.H. Sperry, D.P. Valente, and P.J. Weatherhed. 2014. Facultative nocturnal behaviour in snakes: experimental examination of why and how with ratsnakes and racers. Canadian Journal of Zoology 93: 229-237. PDF

DeGregorio, B.A., S. R. Wendt, P.J. Weatherhead, and J.H. Sperry. 2014. PANTHEROPHIS ALLEGHENIENSIS (Eastern Ratsnake) Foraging Behavior. Herpetological Review 45: 142. PDF

DeGregorio, B.A., and J.H. Sperry. 2014. COLUBER CONSTRICTOR (North American Racer) Mortality. Herpetological Review 45: 146. PDF

DeGregorio, B.A., P.J. Weatherhead, T.D. Tuberville, and J.H. Sperry. 2013. Time in captivity affects foraging behavior of ratsnakes: implications for translocation. Herpetological Conservation and Biology 8: 581-590. PDF

Westervelt, J.D., J.H. Sperry, J.L. Burton, and J.G. Palis. 2013. Modeling response of Frosted Flatwoods Salamander populations to historic and predicted climate variables. Ecological Modeling 268: 18-24. PDF

Boves, T.J., J.A. Kutylowski, J.H. Sperry, and D.A. Cimprich. 2013. A novel behavior in an endangered species: Black-capped vireos reuse a nest after brood parasitism and depredation. American Midland Naturalist 170: 191-195. PDF

Ward, M.P., J.H. Sperry, and P.J. Weatherhead. 2013. Using automated radiotelemetry to quantify activity and movement patterns of snakes. Journal of Herpetology 47: 337-345. PDF

Sperry, J.H., M.P. Ward, and P.J. Weatherhead. 2013. Effects of temperature, moon phase, and prey on nocturnal activity of ratsnakes: An automated telemetry study. Journal of Herpetology 47: 105-111. PDF

Sperry, J.H., D.G. Barron, and P.J. Weatherhead. 2012. Effects of snake behavior on seasonal patterns of Northern Cardinal (Cardinalis cardinalis) nest survival. Journal of Avian Biology 43: 496-502. PDF

P.J. Weatherhead, B. Blouin-Demers, and J.H. Sperry.  2012. Mortality patterns and the cost of reproduction in a northern population of ratsnakes, Elaphe obsoleta. Journal of Herpetology 46: 100-103. PDF

P.J. Weatherhead, J.H. Sperry, G.F. Carfagno, and G. Blouin-Demers. 2012. Latitudinal variation in thermal ecology of North American ratsnakes and its implications for the effects of climate warming on snakes. Journal of Thermal Biology 37: 273-281. PDF

Sperry, J.H. and P.J. Weatherhead. 2012. Individual and sex-based differences in behavior and ecology of ratsnakes in winter. Journal of Zoology 287: 142-149. PDF

Sperry, J.H., G. Blouin-Demers, G.L.F. Carfagno, and P.J. Weatherhead. 2010. Latitudinal variation in seasonal activity and mortality in ratsnakes (Elaphe obsoleta). Ecology 91: 1860-1866. PDF

Sperry, J.H. and P.J. Weatherhead.  2010. Ratsnakes and brushpiles: Intended and unintended consequences of improving habitat for wildlife? American Midland Naturalist 163: 311-317. PDF

Weatherhead, P.J., G.L.F. Carfagno, J.H. Sperry, J.D. Brawn, and S.K. Robinson.  2010. Linking snake behavior to nest predation in a Midwestern bird community.  Ecological Applications 20: 234-241. PDF

Sperry, J.H., L.K. Butler, L.M. Romero, and P.J. Weatherhead. 2009. Effects of parasitic infection and radio-transmitters on condition, hematological characteristics and corticosterone concentrations in Texas ratsnakes. Journal of Zoology 278: 100-107. PDF

Sperry, J.H. and P.J. Weatherhead. 2009. Sex differences in behavior associated with sex-biased mortality in an oviparous snake species.  Oikos 118: 627-633. PDF

Sperry, J.H., D.A. Cimprich, R.G. Peak, and P.J. Weatherhead. 2009. Is nest predation on two endangered bird species higher in habitats preferred by snakes?  Ecoscience 16: 111-118. PDF

Sperry, J.H. and P.J. Weatherhead. 2009. Does prey availability determine seasonal patterns of habitat selection in Texas ratsnakes?  Journal of Herpetology 43: 55-64. PDF

Sperry, J.H., R.G. Peak, D.A. Cimprich, and P.J. Weatherhead.  2008.  Snake activity affects seasonal variation in nest predation risk for birds.  Journal of Avian Biology 39: 379-383. PDF

Sperry, J.H. and P.J. Weatherhead.  2008. Prey-mediated effects of drought on condition and survival of a terrestrial snake.  Ecology 89: 2770-2776. PDF

Sperry, J.H. and C.A. Taylor.  2008. Habitat use and seasonal activity patterns of the Great Plains ratsnake in central Texas. Southwestern Naturalist 53: 444-449. PDF

Sperry, J.H., T.L. George, and S. Zack.  2008.  Ecological factors affecting response of Dark-eyed Juncos to prescribed burning.  Wilson Journal of Ornithology 120:131-138. PDF