Denver-Boulder Metro Area: Wildlife

This guide contains mammals, reptiles, amphibians, fish, and mollusks that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Ezra Schwartzberg, some rights reserved (CC BY-NC-ND), uploaded by Ezra Schwartzberg
  • 2. U.S. Fish and Wildlife Service, no known copyright restrictions (public domain)
  • 3. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo