4 Free Images of Pituophis Catenifer Heads

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Sonoran Gopher Snake - Pituophis catenifer
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Gopher Snake - Pituophis melanoleucus
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Bull snake (Pituophis catenifer sayi)
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Mouth of the Bull-snake (Pituophis sayi). a, tongue-sheath; b, epiglottis; c, rima glottidis or opening of the windpipe.
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