A PDF field guide to the species reported in and around Tinley Creek Forest Preserve, 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 Tinley Creek Forest Preserve include Common Whitetail, Mallard, American Robin, Red-Winged Blackbird and Common Cardinal. Plants lead the list with 37 species, followed by 8 birds and 4 insects.
The 20 species reported most often here, of 50 in the full guide.

Buckthorn
Poison Ivy
Haymaids
Dulcamara
Hedge Garlic
Mayapple
Tell me what you're looking for, and I'll do my best to answer.
Purslane

Ashweed
Butterflyweed
Boxelder
Poke

Althea
Beebalm

Wild Geranium
Common Whitetail
Burningbush
Tell me what you're looking for, and I'll do my best to answer.
Mallard
American Robin