Do chipmunks eat birds?
Yes chipmunks are omnivores and will eat young birds and eggs.
Chipmunks are basically omnivorous. Which means that they eat both plants and animals. Chipmunk food therefore naturally consists of a lot of variety. Chipmunks primarily eat nuts and seeds, insects, different types of grains, the eggs of certain birds, small birds (rarely), various types of fungi and worms, varied plants and grasses and raw vegetables and fruits. Cites: http://www.buzzle.com/articles/what-do-chipmunks-eat.html