Effects of the Sespe Creek Project on the California condor : administrative report
1969
Sibley, Fred C. |
Endangered species
A report on safe catching of Japanese crested ibises
1981
Yoshii, Masashi |
Birds in peril : a guide to the endangered birds of Canada and the United States
1977
Mackenzie, John P. S. |
The Seychelles magpie robin (Copsychus sechellarum)
1978
Watson, Jeff |
The biology of the critically endangered birds of Mauritius
Jones, Carl G. |
Conservation of Cameroon montane forests
1986
Stuart, S. N. |
The wattled crane : a conservation priority
1984
Johnson, D. N. |
Ecology of birds : an Australian perspective
1989
Ford, H. A. (Hugh A.) |
Aves y plantas de Lanzarote en peligro de extinción
1991
Sosa, Kunkel |
Sosa, Cardona |
Vanishing birds : their history and conservation
1978
Halliday, Tim |