Smithsonian Institution
Smithsonian National Zoo: Reptile Recovery Center
This website presents fact sheets about numerous reptiles. Choose from a pull-down list between snakes, lizards, crocodilians, and turtles. The fact sheets contain information such as taxonomy, distribution and habitat, eating habits,...
Environmental Education for Kids
Eek!: Species With Status: Special Concern
Species of special concern are species for whom some issue is suspected, either in abundance or distribution, but not yet proven. Its main purpose is to bring attention to species of concern before they become threatened or endangered....
Nature Canada
Nature Canada: Species Spotlight: Gray Ratsnake
A fact sheet giving information about the endangered gray ratsnake, which is also called the eastern or black ratsnake. This snake is the largest one found in Canada, growing up to 190 cm long.
Other
Kingsnake.com: Ratsnake
Kingsnake.com discusses the Ratsnake and each of its five subspecies. Select the Texas Ratsnake, Black Ratsnake, Yellow Ratsnake, Everglades Ratsnake, or the Grey Ratsnake to find additional information. Photo included.