All About Birds: Northeast US and Canada

Cornell Lab of Ornithology

Kaufman Field Guide to Nature of New England

Kaufman, Kenn and Kimberly Kaufman

25 Birding Areas in Connecticut

Proctor, Noble S.

Birds of Massachusetts and Other New England States

Forbush, Edward Howe

Birds of Connecticut Salt Marshes

Stone, James

Birding New England: A Field Guide to the Birds of Connecticut, Rhode Island, Massachusetts, Maine,

Minetor, Randi and Nic

Thoreau's Notes on Birds of New England

Thoreau, Henry David, edited by Francis H. Allen

Birding in Connecticut

Gallo, Frank

Birds of Prey in Connecticut: A Guide to Finding and Understanding Hawks, Eagles, Vultures and Owls

Billings, Gene

The Mammals of Connecticut

Goodwin, George Gilbert

The Birds Of Guilford, Connecticut

MacKenzie, Locke

Birds of New England

Petersen, Wayne R.; Burrows, Roger