Besides seeking shelter, fluffing up their feathers, and shivering to produce body heat, there's one very important action birds take to stay warm: they eat! A lot! You can help our feathered friends by setting up a bird feeder in your backyard. The snowbirds will flock to it.
1001 secrets every birder should know : tips and trivia for the backyard and beyond
New 598 Stiteler
The bird watching answer book : everything you need to know to enjoy birds in your backyard and beyond
Beginner's guide to bird watching
How to be a better birder
Birds at your feeder : a guide to feeding habits, behavior, distribution, and abundance
Dunn, Erica H.
598.07234 Dun BM