A Comparative Life-History Study of Four Species of Woodpeckers

The Role of Territory in Bird Life

Margaret M. Nice · The American Midland Naturalist · 1941 · 340 citations

Life Sciences, Ecology, Zoology +12

Helpers among Birds

Alexander F. Skutch · Ornithological Applications · 1961 · 290 citations · Full text

Life Sciences, Ecology, Zoology +10

Social Behavior in Animals

Nicholas E. Collias · Ecology · 1953 · 156 citations

Social Sciences, Behavioral Sciences, Psychology +12

AUTONOMIC NERVOUS SYSTEMS IN LOWER CHORDATES

J. A. C. Nicol · Biological reviews/Biological reviews of the Cambridge Philosophical Society · 1952 · 154 citations

Life Sciences, Anatomy, Neuroscience +10

The Functions of Territory

N. Tinbergen · Bird Study · 1957 · 146 citations

Social Sciences, Geography, Human Geography +8