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Summary
Feare, Christopher J. 1981. Breeding schedules and feeding strategies of Seychelles sea-birds. Ostrich 52:179–185.
A comparison of the breeding schedules of Seychelles seabirds with their feeding strategies showed no relation between synchronous breeding and the ranges over which the birds forage, but there was a relation with flock feeding. Flock feeding birds are largely dependent upon schools of predatory fishes that drive prey species to the surface, and food is thus localized and transient. Synchronous colonial breeding probably helps individuals to locate these localized food sources, but species that are dependent mainly on dispersed prey would derive no benefit from synchrony, and they do, in fact, breed throughout the year.
Within shoals of prey, food is probably superabundant, but feeding space may be limiting. The dark backs of flock feeding birds render them inconspicuous to foraging birds (conspecifics and other species), thereby tending to reduce competition for space within the feeding flocks. The white plumage of species that feed on dispersed prey appears to act as a spacing out mechanism, reducing interference between feeding birds.
