« All News

Interactive Map Tells Story of Birds in Cook County & Beyond

close up of a great horned owlet in the woods

From sparrows to sandhill cranes, Forest Preserves of Cook County biologists safely capture, handle and band an average of 400 birds per year. But what is bird banding and why do we do it?

a computer with a map showing different color line representing where birds were banded and found later
Interactive map showing where birds banded by Forest Preserves biologists have been found—locally, in other states, and even in Canada!

Explore an interactive map, videos and photos that tell the story of our ongoing research to track zoonotic diseases (illnesses passed between animals and humans), uncover local environmental issues, and measure the success of our restoration efforts—all through the amazing birds that live in and migrate through Cook County.