Bullfrog
Rana catesbeiana

Description

  • prominent sacral humps
  • olive, green or brownish dorsum with vague spots or blotches
  • lighter green head and whitish, grey-mottled venter
  • legs blotched or banded
  • conspicuous eardrums

Habitat

Bullfrogs require permanent bodies of water in which to breed and live. Lakes, ponds, and sometimes slow parts of large rivers are favorite haunts.

Range

The Bullfrog is native to the central and eastern United States and the southern portions of Ontario and Quebec. The Bullfrog has been introduced to many areas in the western United States creating patchy populations. Consult a field guide for a better view of the areas where Bullfrogs are known to occur in these western states.

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References

USGS Checklist of Amphibian Species and Identification Guide
http://www.npwrc.usgs.gov/narcam/idguide/index.htm

Animal Diversity Web
http://animaldiversity.ummz.umich.edu