A PDF field guide to the species reported in and around Big Sioux Recreation Area, 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 Big Sioux Recreation Area include Common Eastern Bumblebee, Twice-Stabbed Stink Bug, Black And Gold Bumble Bee, American Toad and Canada Goose. Plants lead the list with 38 species, followed by 4 insects.
The 20 species reported most often here, of 45 in the full guide.

Buckthorn
Common Eastern Bumblebee
Hedge Garlic
Horseweed
Beebalm

Common Comandra
Tell me what you're looking for, and I'll do my best to answer.

Violet

Coolweed

Catnip

Motherwort
Milk Spurge
Mullein

Dutch Clover
Hairy Vetch
Sweet-Bean
Crowtoes
Tell me what you're looking for, and I'll do my best to answer.
Musk Thistle

Salsify