| The Global Decline of Reptiles, Déjà Vu Amphibians JW Gibbons, DE Scott, TJ Ryan, KA Buhlmann, TD Tuberville, BS Metts, ... BioScience 50 (8), 653-666, 2000 | 2528 | 2000 |
| Monitoring herpetofauna in a managed forest landscape: effects of habitat types and census techniques TJ Ryan, T Philippi, YA Leiden, ME Dorcas, TB Wigley, JW Gibbons Forest Ecology and Management 167 (1-3), 83-90, 2002 | 183 | 2002 |
| Salamander abundance along road edges and within abandoned logging roads in Appalachian forests RD Semlitsch, TJ Ryan, K Hamed, M Chatfield, B Drehman, N Pekarek, ... Conservation Biology 21 (1), 159-167, 2007 | 120 | 2007 |
| Intraspecific heterochrony and life history evolution: decoupling somatic and sexual development in a facultatively paedomorphic salamander TJ Ryan, RD Semlitsch Proceedings of the National Academy of Sciences 95 (10), 5643-5648, 1998 | 97 | 1998 |
| Advancing urban wildlife research through a multi‐city collaboration SB Magle, M Fidino, EW Lehrer, T Gallo, MP Mulligan, MJ Ríos, AA Ahlers, ... Frontiers in Ecology and the Environment 17 (4), 232-239, 2019 | 94 | 2019 |
| Landscape‐scale differences among cities alter common species’ responses to urbanization M Fidino, T Gallo, EW Lehrer, MH Murray, CAM Kay, HA Sander, ... Ecological Applications 31 (2), e02253, 2021 | 87 | 2021 |
| Descriptive ecology of a turtle assemblage in an urban landscape CA Conner, BA Douthitt, TJ Ryan The American midland naturalist 153 (2), 428-435, 2005 | 83 | 2005 |
| Effects of hydroperiod on metamorphosis in Rana sphenocephala TJ Ryan, CT Winne The American Midland Naturalist 145 (1), 46-53, 2001 | 79 | 2001 |
| Global urban environmental change drives adaptation in white clover JS Santangelo, RW Ness, B Cohan, CR Fitzpatrick, SG Innes, S Koch, ... Science 375 (6586), 1275-1281, 2022 | 71 | 2022 |
| Ultrastructure of the reproductive system of the black swamp snake (seminatrix pygaea). III. Sexual segment of the male kidney DM Sever, RA Stevens, TJ Ryan, WC Hamlett Journal of morphology 252 (3), 238-254, 2002 | 68 | 2002 |
| Ultrastructure of the reproductive system of the black swamp snake (Seminatrix pygaea): Part I. Evidence for oviducal sperm storage DM Sever, TJ Ryan Journal of Morphology 241 (1), 1-18, 1999 | 68 | 1999 |
| Movement and habitat use of two aquatic turtles (Graptemys geographica and Trachemys scripta) in an urban landscape TJ Ryan, CA Conner, BA Douthitt, SC Sterrett, CM Salsbury Urban Ecosystems 11, 213-225, 2008 | 66 | 2008 |
| Prevalence and colonization of Placobdella on two species of freshwater turtles (Graptemys geographica and Sternotherus odoratus) TJ Ryan, A Lambert Journal of Herpetology 39 (2), 284-287, 2005 | 55 | 2005 |
| Hatching asynchrony, survival, and the fitness of alternative adult morphs in Ambystoma talpoideum TJ Ryan, GR Plague Oecologia 140, 46-51, 2004 | 50 | 2004 |
| Life history evolution and adaptive radiation of hemidactyliine salamanders TJ Ryan, RC Bruce The biology of plethodontid salamanders, 303-326, 2000 | 48 | 2000 |
| Growth and the expression of alternative life cycles in the salamander Ambystoma talpoideum (Caudata: Ambystomatidae) TJ Ryan, RD Semlitsch Biological Journal of the Linnean Society 80 (4), 639-646, 2003 | 45 | 2003 |
| Ultrastructure of the reproductive system of the black swamp snake (Seminatrix pygaea). II. Annual oviducal cycle DM Sever, TJ Ryan, T Morris, D Patton, S Swafford Journal of Morphology 245 (2), 146-160, 2000 | 45 | 2000 |
| Evaporative water loss in two natricine snakes, Nerodia fasciata and Seminatrix pygaea CT Winne, TJ Ryan, Y Leiden, ME Dorcas Journal of Herpetology 35 (1), 129-133, 2001 | 42 | 2001 |
| T., LEIDEN, Y., POPPY, S. & WINNE, CT 2000. The global decline of reptiles, déjà vu amphibians JW Gibbons, DE Scott, TJ Ryan, KA Buhlmann, TD Tuberville, BS Metts, ... BioScience 50, 653-666, 0 | 42 | |
| Basking behavior of emydid turtles (Chysemys picta, Graptemys geographica, and Trachemys scripta) in an urban landscape WE Peterman, TJ Ryan Northeastern Naturalist 16 (4), 629-636, 2009 | 38 | 2009 |
