How do chickadees and sparrows (and other birds who stay in Idaho all winter) find food?

Answered by Dr. Chuck Trost, Emeritus Professor, Idaho State University Chickadees cache food all fall, and can remember thousands of cache sites. Their brains grow larger every fall to help them remember. Sparrows eat seeds, which are abundant in the fall, especially at bird feeders. Why Do Birds Migrate? For a bird to journey hundreds…