John S. Placyk, Jr.
John S. Placyk, Jr.
Trinity Valley Community College
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Prey abundance and habitat use by migratory shorebirds at coastal stopover sites in Connecticut
JS Placyk, BA Harrington
Journal of Field Ornithology 75 (3), 223-231, 2004
Distinctiveness in the face of gene flow: hybridization between specialist and generalist gartersnakes
BM Fitzpatrick, JS PLACYK, JR, ML Niemiller, GS Casper, GM Burghardt
Molecular Ecology 17 (18), 4107-4117, 2008
Prey detection by vomeronasal chemoreception in a plethodontid salamander
JS Placyk, BM Graves
Journal of Chemical Ecology 28 (5), 1017-1036, 2002
Sequence-based molecular phylogenetics and phylogeography of the American box turtles (Terrapene spp.) with support from DNA barcoding
BT Martin, NP Bernstein, RD Birkhead, JF Koukl, SM Mussmann, ...
Molecular Phylogenetics and Evolution 68 (1), 119-134, 2013
Post-glacial recolonization of the Great Lakes region by the common gartersnake (Thamnophis sirtalis) inferred from mtDNA sequences
JS Placyk Jr, GM Burghardt, RL Small, RB King, GS Casper, JW Robinson
Molecular Phylogenetics and Evolution 43 (2), 452-467, 2007
Geographic variation in the frequency of scarring and tail stubs in eastern gartersnakes (Thamnophis s. sirtalis) from Michigan, USA
G Burghardt, J Placyk
Amphibia-Reptilia 26 (3), 353-358, 2005
Hybridization between two gartersnake species (Thamnophis) of conservation concern: a threat or an important natural interaction?
JS Placyk, BM Fitzpatrick, GS Casper, RL Small, RG Reynolds, ...
Conservation Genetics 13 (3), 649-663, 2012
Foraging behavior of the red-backed salamander (Plethodon cinereus) under various lighting conditions
JS Placyk, BM Graves
Journal of Herpetology 35 (3), 521-524, 2001
On the reclassification of the Terrapene (Testudines: Emydidae): a response to Fritz & Havaš
BT Martin, NP Bernstein, RD Birkhead, JF Koukl, SM Mussmann, ...
Zootaxa 3835 (2), 292-294, 2014
Evolutionary persistence of chemically elicited ophiophagous antipredator responses in gartersnakes (Thamnophis sirtalis).
JS Placyk Jr, GM Burghardt
Journal of Comparative Psychology 125 (2), 134, 2011
The role of innate and environmental influences in shaping antipredator behavior of mainland and insular gartersnakes (Thamnophis sirtalis)
JS Placyk
Journal of ethology 30 (1), 101-108, 2012
Biogeography of the herpetofauna of the Beaver Archipelago: a synthesis and reevaluation
JS Placyk Jr, JC Gillingham
Bull. Chicago Herp. Soc 37, 210-215, 2002
Contrasting signatures of introgression in North American box turtle (Terrapene spp.) contact zones
BT Martin, MR Douglas, TK Chafin, JS Placyk Jr, RD Birkhead, CA Phillips, ...
Molecular ecology 29 (21), 4186-4202, 2020
Genetic structure of Great Lakes region Thamnophis butleri and Thamnophis radix based on mtDNA sequence data: Conservation implications for Wisconsin Butler’s Gartersnake
GM Burghardt, JSJ Placyk, GS Casper, RL Small, K Taylor
Report to the Wisconsin Department of Natural Resources, 2006
Additional vertebrate records and natural history notes from Arkansas
MB Connior, CR Tumlison, HW Robison, JS Placyk Jr, CT McAllister
Journal of the Arkansas Academy of Science 67 (1), 168-172, 2013
Differential introgression supports thermal adaptation and reveals candidate genes shaping species boundaries in North American box turtles (Terrapene spp.)
BT Martin, MR Douglas, TK Chafin, JS Placyk, RD Birkhead, CA Phillips, ...
bioRxiv, 752196, 2020
Verification of two cyprinid host fishes for the Texas Pigtoe, Fusconaia askewi
EP Bertram, JS Placyk, MG Williams, LR Williams
Freshwater Mollusk Biology and Conservation 20 (2), 65-70, 2017
Machine learning substantiates biologically meaningful species delimitations in the phylogenetically complex North American box turtle genus Terrapene
BT Martin, TK Chafin, MR Douglas, JS Placyk, RD Birkhead, CA Phillips, ...
bioRxiv, 2020
DNA barcoding permits identification of potential fish hosts of unionid freshwater mussels
NT Marshall, JA Banta, LR Williams, MG Williams, JS Placyk
American Malacological Bulletin 36 (1), 42-56, 2018
Influence of atrazine on the scalation of Marcy’s checkered gartersnake, Thamnophis m. marcianus (Baird and Girard, 1853)
AD Walters, K Chamberlain, NB Ford, JS Placyk
Bulletin of environmental contamination and toxicology 92 (1), 1-5, 2014
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