Fred C. Sibley

Hybridization in the Red-Eyed Towhees of Mexico: The Populations of the Southeastern Plateau Region

Charles G. Sibley, Fred C. Sibley · The Auk · 1964 · 53 citations · Full text

Life Sciences, Biology, Genetics +14

Effect of visual and vocal stimuli on breeding in the budgerigar (Melopsitacus undulatus)

Robert W. Ficken, A. van Tienhoven, Millicent S. Ficken et al. · Animal Behaviour · 1960 · 41 citations

Life Sciences, Ecology, Zoology +14

Nest-Site Biology of the California Condor

Noel F. R. Snyder, Rob R. Ramey, Fred C. Sibley · Ornithological Applications · 1986 · 32 citations · Full text

Life Sciences, Ecology, Zoology +17

THE TROPICAL FOREST EDGE AVIFAUNA OF IBADAN, NIGERIA

J. H. Elgood, Fred C. Sibley · Ibis · 1964 · 23 citations

Life Sciences, Botany, Ecology +17

DISTRIBUTION AND DISPERSAL OF CENTRAL PACIFIC LESSER FRIGATEBIRDS <i>‘FREGATA ARZEL</i>*

Fred C. Sibley, Roger B. Clapp · Ibis · 1967 · 20 citations

Life Sciences, Ecology, Zoology +16