Colin J.O. Harrison

A Guide to the Nests, Eggs and Nestlings of North American Birds  Colin J.O. Harrison Paul J. Baicich Paperback. Poyser, 2002-07-31 ISBN 9780120728312     A Guide to the Nests, Eggs, and Nestlings of North American Birds  Paul J. Baicich Colin J.O. Harrison Hardcover. Academic Press, 1997-07-31 ISBN 9780120728305