Grainvorous birds in ecosystems
Grainvorous birds in ecosystems their evolution, populations, energetics, adaptations, impact and control edited by J. Pinowski and S.C. Kendeigh - London Cambridge University Press 1977 - 431 p. - No. 12 International biological programme .
0521215048
Granvorous Birds
Ecosystems
591.5:598.2 / P657G