Life History Studies of Woodpeckers of Eastern North America
Species Taxa of North American Birds: A Contribution to Comparative Systematics
Mayr, Ernst; Short, Lester L.
Geographical Variation in Birds of Java
Newfoundland Birds: Exploitation, Study, Conservation
Montevecchi, William. A.; Tuck, L.M.
Geographic Variation in Social Behavior and in Adaptations to Competition among Andean Birds
Paynter, Raymond A. Jr., Editor
Nearctic Passerine Migrants in South America
Paynter, Raymond A. Jr.
Oilbirds of Venezuela: Ecology and Conservation
Roca, Roberto L.
Life Histories of Central American Highland Birds
Skutch, Alexander F.
New Studies of Tropical American Birds [Nuttall Publication #19]
Studies of Tropical American Birds [Nuttall Publication #10]
Communication and other Social Behavior in Parus carolinensis
Smith, Susan T.