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Southwest Reptiles and Amphibians


Mexican Hog-nosed Snake - Heterodon kennerlyi

Kennicott, 1860

(= Heterodon nasicus kennerlyi - Mexican Hog-nosed Snake)
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observation link


Mexican Hog-nosed Snake Mexican Hog-nosed Snake Mexican Hog-nosed Snake
Adult male, Cochise County, Arizona
Mexican Hog-nosed Snake Mexican Hog-nosed Snake Mexican Hog-nosed Snake
Adult male, Cochise County, Arizona Juvenile, Cochise County, Arizona
Mexican Hog-nosed Snake Mexican Hog-nosed Snake Mexican Hog-nosed Snake
Adult, Cochise County, Arizona Flattened head defensive display
Mexican Hog-nosed Snake Mexican Hog-nosed Snake Mexican Hog-nosed Snake
Adult, Cochise County, Arizona, playing dead defensive display.
(This faking death is called "thanatosis".)
Adult, Cochise County, Arizona, defensive display with flattened head and smeared with its own feces.
Mexican Hog-nosed Snake Mexican Hog-nosed Snake  
Adult, White Sands New Mexico
© Filip Tkaczyk
 
Mexican Hog-nosed Snake Mexican Hog-nosed Snake  
Mexican Hog-nosed Snake tracks, Cochise County, Arizona
 
   
Habitat
Mexican Hog-nosed Snake habitat Mexican Hog-nosed Snake habitat Mexican Hog-nosed Snake habitat
Habitat, Cochise County, Arizona Habitat, Cochise County, Arizona Habitat, Cochise County, Arizona
Mexican Hog-nosed Snake habitat Mexican Hog-nosed Snake habitat  
Habitat, Cochise County, Arizona
Habitat, Cochise County, Arizona  
     
Short Videos
mexican hog-nosed snake mexican hog-nosed snake mexican hog-nosed snake
A Mexican Hog-nosed Snake is found stretched out on a road. It goes into a defensive coil, smearing its feces on itself and hissing and striking, before crawling away and down a hole. A Mexican Hog-nosed Snake blows and hisses and strikes. Hog-nosed snakes are well-known for their strategy of rolling over and playing dead to dissuade a predator. This one rolls over and plays dead, then uses a combination of playing dead and hissing.
  mexican hog-nosed snake  
  A Mexican Hog-nosed Snake is released and crawls away.  
 




 



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