Books in Animals-Wild-Birds (sorted alphabetically)
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Subspecies of the Mountain Chickadee
Joseph Grinnell
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Summer Birds From the Yucatan Peninsula, Mexico
Erwin E. Klaas
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Territory in Bird Life
Henry Eliot Howard
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Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae
Marion Anne Jenkinson
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What Bird is That?
Frank M. Chapman
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Wild Birds in City Parks
Herbert Eugene Walter and Alice Hall Walter
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Woodpeckers
Fannie Hardy Eckstorm
