Seasonal Variation in the Quality of Fruits and Diffuse Coevolution Between Plants and Avian Dispersers

Herbivores and the Number of Tree Species in Tropical Forests

Daniel H. Janzen · The American Naturalist · 1970 · 4.8K citations

Life Sciences, Ecology, Evolutionary Biology +17

Strategies in Herbivory by Mammals: The Role of Plant Secondary Compounds

W. J. Freeland, Daniel H. Janzen · The American Naturalist · 1974 · 1.4K citations

Life Sciences, Botany, Plant Sciences +17

WHEN IS IT COEVOLUTION?

Daniel H. Janzen · Evolution · 1980 · 863 citations · Full text

Life Sciences, Evolutionary Biology, Coevolution +4

Competition and the Structure of Bird Communities

Robert E. Ricklefs, Martin L. Cody · Evolution · 1975 · 709 citations

Life Sciences, Ecology, Zoology +12

The Palaearctic-African Bird Migration Systems

Jack P. Hailman, R. E. Moreau · Bird-Banding · 1973 · 663 citations

Life Sciences, Evolutionary Biology, Zoology +12