Mexican Hognose Snake

Heterodon kennerlyi

Venom Status:

Non Venomous

 

Characteristics:

Keeled scales, heavy body, and large size (14” to 3”) will differentiate the various hog-noses from the diminutive smooth scaled hook nose snakes. This western species has from 2 to 6 small scales (azygous scales) immediately posterior to the upturned rostral scale.

 

Unique Features:

Keeled scales, upturned snout and habit of feigning death if stressed, are identifying characteristics.

 

Habitat and Diet:

Prairie, grasslands, ranchlands, desert brushlands are all utilized. Primarily feeds on toads. Toads and other amphibians; nestling birds and mammals; lizards.

 

Geographic Range:

TX, AZ, NM