Life Histories of Central American Birds: I-III. Complete Set.
SKUTCH, Alexander F.
Nature through Tropical Windows
Skutch, Alexander F.
Life Histories of Central American Birds, III. Families Cotingidae, Pipridae, Formicariidae, Furnari
Orioles, Blackbirds, and Their Kin: A Natural History
Helpers at Birds' Nests: A Worldwide Survey of Cooperative Breeding and Related Behavior
Life Histories of Central American Highland Birds
Illustrations by Gardner, Dana
New Studies of Tropical American Birds [Nuttall Publication #19]
Studies of Tropical American Birds [Nuttall Publication #10]
Origins of Nature's Beauty: Essays by Alexander F. Skutch
Life of the Tanager
Skutch, Alexander F.; Gardner, Dana
A Guide to the Birds of Costa Rica [Stiles/Skutch]
Stiles, F. Gary; Skutch, Alexander F.
Illustrations by Sutton, George Miksch