Amphibian Illustrations
Wood Frog (Lithobates sylvaticus aka Rana sylvatica), colored pencil
About the illustration:
Commissioned by: Wisconsin Sea Grant, University of Wisconsin-Madison
See image at client's web site:
http://seagrant.wisc.edu/frogs/wood_frog.html About wood frogs:
Wood frogs can partially freeze - and live through it! They can withstand temperatures down to -2 to -4 degrees Celsius. They are the only frogs north of the Arctic Circle. They are about 1 1/2 to 3 inches long. They eat insects and other small invertebrates.
Taxonomy:
Kingdom: Animalia
Phylum: Chordata (having a spinal chord)
Class: Amphibia
Order: Anura (frogs and toads)
Family: Ranidae
Genus: Lithobates
Species: L. sylvaticus
Read more about wood frogs:
Wikipedia, wood frogs
Nova article about frozen wood frogs
Wood frogs in eastern Missouri have staged a dramatic comeback!