- Slowinski's Corn Snake
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orphan = January 2008Taxobox
name = Slowinski's Corn Snake
genus = "
species = "E. slowinskii"
binomial = "Elaphe slowinskii"
binomial_authority = (
Burbrink, 2002 [cite web|url=http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=683035|title=ITIS Standard Report Page: Elaphe slowinskii|accessdate=2008-08-27] )
Slowinski's Corn Snake is a species of
snakein the genus " Elaphe".
This uncommon, medium-sized snake is grayish-brown with a series of large, alternating, chocolate-brown blotches. These blotches are often bordered in black. It has a spearhead marking on the head. The belly is checkered black and white, giving it an appearance of maize. (Its close relative, the
Corn Snake, gets its namesake for this belly pattern!)
This snake was long considered an intergrade subspecies of the Corn Snake (Pantherophis guttata) and Great Plains Rat Snake (Pantherophis emoryi), but it has recently been elevated to species status and named to honor the memory of Joseph B. Slowinski. These three sister-species are probably best delineated in Arkansas by simply consulting a range map, given that their ranges in the state do not overlap.
While superficially this species resembles the Prairie Kingsnake (Lampropeltis calligaster calligaster), the spearhead marking present on the head of the Slowinski's Corn Snake is usually sufficient for identification. An imaginary cross-section of this species, as with all of the Rat Snakes, would be shaped like "a loaf of bread" (i.e. rounded top, steep sides, and flat belly).
As young, this species can be distinguished from the Western Rat Snake (Pantherophis obsoletus) be considering the dark bar that runs through each eye. In the Slowinski's Corn Snake, this bar extends through the jawline and onto the neck whereas in the Western Rat Snake the bar extends only to the jawline where it stops abruptly.
Little information is currently available regarding the habitats of this species in Arkansas. As with its sister-species, the Great Plains Rat Snake (Pantherophis emoryi), it is an excellent climber and likely spends a large portion of its time up in trees!
Habits and Life History
This species is quite secretive. Its arboreal and nocturnal habits may account for why it is so infrequently encountered by humans.
Presumably, it follows an activity pattern similar to other Rat Snakes: hibernate through winter, breed in the spring, and lay eggs in the summer. Otherwise, little is known about the reproductive biology of this species in the state.
Prey and Hunting Techniques
This species feeds primarily on small mammals and birds. Little information is available about the foraging behavior for this species. It is likely to use a combination of sit-and-wait and active foraging, depending upon the type of prey it is hunting. Much of this behavior likely occurs "above our heads" in the trees, or at night, or both! Prey, when caught, is constricted and consumed.
Temperament and Defense
While individual temperaments may vary, this species is likely very similar in temperament to its sister-species, the Great Plains Rat Snake: tame and pleasant.
This species seems to use typical snake defense: musk and/or poop, bite if you have to, but primarily don't be seen! It is an amazing climber and blends in unbelievably with tree bark. Its nocturnal tendencies may also help it avoid potential dangers, such as day-foraging hawks and the like.
At the time of this writing, no information was available concerning the current conservation status of this species. At the least, it is sure to warrant a rare status by the Arkansas Natural Heritage Commission. The lack of voucher specimens may indicate that further protections are also warranted.
tate Distribution and Abundance
This species is known only from isolated localities in the southeastern part of the state. Trauth et al. indicates only a single locality in the state (Drew County). The abundance of this species is largely unknown, but the lack of voucher specimens seems to indicate that it is extremely rare.
* Behler, J. L., and F. W. King. 1979 (1987). The Audubon Society Field Guide to North American Reptiles and Amphibians. 3rd ed. Alfred A. Knopf, New York. 743 pp.
* Conant, R., and J. T. Collins. 1998. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. 3rd ed., Expanded. Houghton Mifflin Co., Boston. 616 pp.
* Irwin, K. J. 2004. Arkansas Snake Guide. Arkansas Game and Fish Commission Pocket Guide. 50 pp.
* Trauth, S. E., H. W. Robison, and M. V. Plummer. 2004. Amphibians and Reptiles of Arkansas. University of Arkansas Press, Fayetteville. 421 pp.
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