Exotis ISSN 2398-2985

Reptiles

Western hognose

Synonym(s): Heterodon nasicus

Contributor(s): Vetstream Ltd, Kirsty Dewhurst

Introduction

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Scientific Classification

  • Kingdom: Animalia. 
  • Phylum: Chordata. 
  • Class: Reptilia. 
  • Order: Squamata. 
  • Suborder: Serpentes. 
  • Family: Dipsadidae. 
  • Genus: Heterodon
  • Species: Nasicus

Distribution and habitat

  • Found in the USA, southern Canada and northern Mexico.
  • Usually found in dry, sandy/gravelly soils, in scrubs, grasslands and semi-deserts. 

Species status

  • Listed as of least concern. 
  • Threats include destruction of habitat.

Life span

  • In captivity, around 15-20 years. 
  • In the wild, around 9-20 years.

Diet

  • Carnivorous. 
  • General diet includes mainly amphibians such as frogs, toads and small lizards Lizard nutrition
  • May occasionally eat rodents too. 
  • They may not eat much between September and mid-March, as they hibernate in winter. 

Variations

  • 3 subspecies are recognized: 
    • H. n. gloydi
    • H. n. keenerlyi
    • H. n. nasicus

Breeding

  • Mating takes place during spring and summer Lizard reproduction
  • Females lay clutches of up to 25 eggs between June and August. 
  • Incubation period is around 60 days. 

As pets

  • Good as pets due to docile temperament. If they do bite they can release a mild venom, however this is not harmful to humans. 
  • Make interesting pets due to their energetic personalities. 

Biological Data

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Further Reading

Publications

Refereed papers

Other sources of information


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