Identify the birds you see or hear with Merlin Bird ID, a free global bird guide with photos, sounds, maps, and more.

Keep track of your bird lists, photos, and sounds; explore latest sightings from around the world; join the world’s largest birding community; and contribute to science and conservation

Provides real-time predictions of bird migrations: when they migrate, where they migrate, and how far they will be flying.

A comprehensive list with images of and information on the birds of Illinois, by iNaturalist.

A searchable database from Audubon of the birds of North America with high quality illustrations, sounds, and more. Searchable and sortable by region.