The costs of male parental care and its evolution in a neotropical frog

Nonparametric Statistics for the Behavioral Sciences.

J. W. Whitfield, Sidney Siegel · Journal of the Royal Statistical Society Series A (General) · 1957 · 8K citations

Behavioral Measurement, Statistics, Behavioral Sciences +1

Optimal foraging, the marginal value theorem

Eric L. Charnov · Theoretical Population Biology · 1976 · 5.3K citations

Mathematical Programming, Economics, Equilibrium Problem +6

Sexual selection and the descent of man. 1871–1971

Journal of Human Evolution · 1975 · 2.3K citations

Gender Studies, Sexual Selection, Anthropology +3

Sex and evolution.

George C. Williams · PubMed · 1975 · 2.1K citations

Fertility, Genetics, Reproductive Genetics +18

Parental investment: A prospective analysis

John Maynard Smith · Animal Behaviour · 1977 · 1.1K citations

Parental Care, Economics, Business +2