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Project Noah Nature School
Pituophis catenifer sayi
I spotted this snake at the Mammoth Springs in Yellowstone Park. It came from under the wood trail.
Nice find! Your snake is a bullsnake which is one of the world's best bluffers - they hiss, strike, rattle their tail but are completely harmless (rarely bite even).
Spotted on Aug 10, 2012
Submitted on Sep 18, 2012
