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) Noel Burkhead, some rights reserved (CC BY-NC-SA)