Keywords: Snakes, snake den, hibernaculum, Illinois, cottonmouth, Agkistrodon piscivorus
The effect of reproductive condition on thermoregulation in female Agkistrodon piscivorus
near the northwestern range limit.
Blem and Killeen (1993) reported that Agkistrodon piscivorus
and Nerodia taxispilota exhibited higher scotophase metabolic rates in snakes that were acclimated to a reverse photoperiod and tested in complete darkness.
I observed previously unrecorded species each year: six in 2002 (Rana areolata, Chelydra serpentina, Agkistrodon piscivorus
, Farancia abacura, Lampropeltis getula, Nerodia rhombifer), two in 2003 (Pseudemys concinna, Elaphe obsoleta), and five in 2004 (Siren intermedia, Kinosternon subrubrum, Sternotherus odoratus, Terrapene carolina, Eumeces fasciatus).
melanoleucus) and the viperid snake, Agkistrodon piscivorus
(Johnson et al.
The 2011 recipient of the Wilks Award was Jason Strickland, Angelo State University, for his paper entitled "Phylogeography of the cottonmouth, Agkistrodon piscivorus
, determined by AFLP and venom protein profiles.
taxispilota Georgia Camp (1980) North Carolina Collins (1969) Seminatrix pygaea Florida Parker (1941) Viperidae Agkistrodon piscivorus
Louisiana Rabalais (1969) leucostoma A.
The presence in the terrestrial habitat of juvenile Agkistrodon piscivorus
may be directly linked to the availability of a potential food supply of frogs, with are common in the habitat.