Biology, conservation and management of waterfowl in Venezuela
1990
Gomez-Dallmeier, Francisco |
Cringan, Alexander T. |
Animal ecology
Isfuglen
1979
Lütken, Emil |
British birds of prey : a study of Britain's 24 diurnal raptors
1976
Brown, Leslie |
Seabirds in the North Sea : final report
1987
Tasker, Mark L. |
Peregrine falcon populations : their biology and decline
1969
Hickey, Joseph J. |
Ecology of birds : an Australian perspective
1989
Ford, H. A. (Hugh A.) |
The birds
1969
Peterson, Roger Tory |
Marine birds : their feeding ecology and commercial fisheries relationships
1984
Nettleship, David N. (D. N.) |
Sanger, Gerald A. |
Springer, Paul F. |
The life of birds
1963
Welty, Joel Carl |