Gary R. Bortolotti books & textbook
The Bald Eagle: Haunts and Habits of a Wilderness Monarch (Smithsonian Nature Book)
Gerrard, Jonathan M. Gerrard, Jon M. Bortolotti, Gary R.
Smithsonian Institution Press /1988-05T Hardcover / 177 Pages
isbn-10: 0874744504 / isbn-13: 9780874744507
NON-RANDOM PAIRING IN AMERICAN KESTRELS: MATE CHOICE VERSUS INTRA-SEXUALCOMPETITION
Bortolotti, Gary R & Iko, William M
Animal Behaviour /1992T Pamphlet
