A PDF field guide to the species reported in and around Custer State 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 Custer State Park include Bison, Half-Black Bumblebee, Brown-Belted Bumblebee, White-Tailed Deer and Yellow Bumblebee. Plants lead the list with 16 species, followed by 12 insects and 11 mammals.
The 20 species reported most often here, of 50 in the full guide.
Bison

Half-Black Bumblebee
Brown-Belted Bumblebee

Tell me what you're looking for, and I'll do my best to answer.
White-Tailed Deer

Yellow Bumblebee

Red-Belted Bumble Bee
Red-Headed Woodpecker

Red Squirrel

Donkey
American Robin

Tall Vervain
Fireweed
Tell me what you're looking for, and I'll do my best to answer.
Mullein
Canada Goose