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Geographic variation in clutch and brood size of the Eagle Owl Bubo bubo in the Western Palearctic

AuthorsDonázar, José A.
Issue Date1990
PublisherBlackwell Publishing
CitationJOURNAL OF ORNITHOLOGY 131: 439- 443 (1990)
AbstractIn the western Palearctic, the clutch size of the Eagle Owl (Bubo bubo) is constant with latitude and longitude whereas the brood size decreases from south to north, a reverse trend compared to other Strigiforms. This tendency seems independent of the population density of Eagle Owls and the availability of prey with high food value and may be related to climatic constraints which could determine lower viability of eggs and young at high latitudes. © 1990 Verlag der Deutschen Ornithologen-Gesellschaft.
Identifiersdoi: 10.1007/BF01639820
issn: 0021-8375
Appears in Collections:(EBD) Artículos
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