Snake Identifier
Eastern Hognose Snake

Eastern Hognose Snake

Heterodon platirhinosOrder: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Dipsadinae, Genus: Heterodon, Species: Heterodon platirhinos

Eastern North America, ranging from southern Ontario, Canada, through the eastern United States from New Hampshire to Florida, and west to Texas and Minnesota.

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Family

Order: Squamata, Suborder: Serpentes, Family: Colubridae, Subfamily: Dipsadinae, Genus: Heterodon, Species: Heterodon platirhinos

Conservation

Least Concern (IUCN), though populations are declining in certain northern parts of their range due to habitat loss and decline in toad populations.

Physical Description

Variable coloration (gray, brown, tan, or orange) with dark dorsal blotches. This specimen shows large irregular dark brown blotches on a lighter tan background. Features include heavily keeled scales and a characteristic upturned (spade-like) snout.

Size & Dimensions

Specimen appears to be an adult or sub-adult based on body girth. Typical adult length ranges from 50 to 84 cm (20-33 inches), with a maximum of about 115 cm.

Habitat

Found in areas with sandy soils, including woodlands, coastal plains, and river valleys. High preference for open habitats where they can burrow; commonly found in pine forests and fields.

Diet & Feeding

Specialized carnivore primarily feeding on toads (Anaxyrus spp.). They use enlarged rear fangs to puncture inflated toads and have specialized adrenal glands to neutralize toad toxins.

Reproduction

Oviparous (egg-laying). Females lay clutches of 8 to 40 eggs in early summer, which hatch in late summer or early autumn.

Look-alikes

Often confused with Rattlesnakes (Crotalus spp.) or Copperheads (Agkistrodon contortrix) due to blotched patterns and neck flattening, but distinguishable by the upturned nose and round pupils.

Conservation Status

Least Concern (IUCN), though populations are declining in certain northern parts of their range due to habitat loss and decline in toad populations.

Cultural Significance

Often referred to as the 'puff adder' or 'blowing viper' in folklore, they are frequently killed by people who mistake their defensive posturing for aggression.

Notable Features

The most unique feature is the upturned rostral scale used for digging in sandy soil and its highly ritualized death-feigning behavior.

Identified on 6/27/2026