Working on a story about the role of citizen-scientists, we visited the UW-Madison Zoological Museum, looking at some cool collections. Here’s a drawer full of Baltimore orioles — which are not even the most colorful birds in the drawers. Tropical birds take that honor, says curator Paula Holahan.

Citizen scientists play a big role in the study of birds. We ask why?

Migration of songbirds, butterflies, turtles and seals. Where does the natural urge to move originate?