The Sibley Bird Guides App allows you to set the state or province you are in so you can see only the birds occurring in that region. See your favorite…
The MISSOURI MYCOLOGICAL SOCIETY is focused on learning about mushrooms.
The Cornell Lab of Ornithology is a terrific resource for Bird ID and species life history information.
Bug Guide Online community of naturalists sharing observations of insects, spiders and related creatures. Good resource for insect ID.
The Webster Groves Nature Study Society (WGNSS) is a St. Louis Metro area society with an interest in natural history, particularly entomology, botany and ornithology.