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) Howard Cheng, some rights reserved (CC BY-SA)
  • 2. (c) Jim, the Photographer, some rights reserved (CC BY)
  • 3. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)