Bird Feeders information

John Hadidian, director of the Humane Society of the United States' Urban Wildlife Program has written an article about coping with squirrels called, "A Squirrel-Proof Bird Feeder."

For bird feeding basics, read "The Winter Banquet" by ornithologist Stephen Kress.

For advice on what kind of seed to serve, see "Birdseed Types" by Bill Thompson.

Dummies.com has an informative article on "Buying a Bird Feeder."

The Cornell Lab of Ornithology has a number of online articles on bird feeders, including this one called "Feeder Pests and Predators: Mammals."

For information about caged bird feeders, read "Do Caged Bird Feeders Really Work?" by Cindy Rae and "Squirrel Wars," by Scott Edwards.

Further cautions about caged bird feeders can be seen on the Cornell website and HawkOwlsNest.com.

Manufacturers' websites:

Aspects

Arundale

Brome Bird Care

Droll Yankees

Duncraft

RollerFeeder

Sweet Corn Products

Wild Bills

Woodlink (also makes Audubon and Vari-Crafts)