Abstract
If the numbers of birds are regulated by availability of food, as the evidence suggests, species which live together in the same area must have evolved means of reducing interspecific competition for food. They might feed in different places, at different times, in different ways, or on different prey (Huxley, 1942); any two species may differ in more than one of these ways. How these separations are brought about may be difficult to determine because they may take effect only when food is short, the species overlapping in almost all respects when food is plentiful.
Dr M. P. Harris was a member of the Edward Grey Institute from 1963 to 1972. During this time he started the Institute’s long-term seabird studies on Skokholm Island and also spent four years at the Charles Darwin Research Station in the Galapagos Islands studying many of the resident seabirds. He is now at the Institute of Terrestrial Ecology working on factors influencing Puffin populations.
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Harris, M.P. (1977). Comparative ecology of seabirds in the Galapagos Archipelago. In: Stonehouse, B., Perrins, C. (eds) Evolutionary Ecology. Palgrave, London. https://doi.org/10.1007/978-1-349-05226-4_7
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DOI: https://doi.org/10.1007/978-1-349-05226-4_7
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