Further Reading

Ashmole NP (1963) The regulation of numbers of tropical oceanic birds.

Ibis 103b: 458-473. Fisher RA (1930) The Genetical Theory of Natural Selection. Oxford: Clarendon.

Harper JL, Lovell PH, and Moore KG (1970) The shapes and sizes of seeds. Annual Review of Ecology and Systematics 1: 327-356.

Lack D (1954) The Natural Regulation of Animal Numbers. New York: Oxford University Press.

Lack D (1968) Ecological Adaptations for Breeding in Birds. London: Methuen.

Pianka ER (1976) Natural selection of optimal reproductive tactics. American Zoologist 16: 775-784.

Pianka ER (2000) Evolutionary Ecology, 6th edn. San Francisco: Benjamin-Cummings, Addison-Wesley-Longman.

Trivers RL (1974) Parent-offspring conflict. American Zoologist 14: 249-264.

Wynne-Edwards VC (1962) Animal Dispersion in Relation to Social Behaviour. Edinburgh: Oliver and Boyd.

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