A PDF field guide to the species reported in and around Rocky Mountain National Park, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.
The animals people report most often in and around Rocky Mountain National Park include Dark-Eyed Junco, Myrtle Warbler, Ruby-Crowned Kinglet, Hermit Thrush and American Robin. Birds lead the list with 28 species, followed by 17 plants and 5 mammals.
The 20 species reported most often here, of 50 in the full guide.

Dark-Eyed Junco
Myrtle Warbler
Ruby-Crowned Kinglet

Hermit Thrush
Tell me what you're looking for, and I'll do my best to answer.
American Robin

Pine Siskin

White-Crowned Sparrow

Townsend'S Solitaire

Crossbill
Mule Deer

Red-Breasted Nuthatch
Elk
Tell me what you're looking for, and I'll do my best to answer.
White-Breasted Nuthatch