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handle: 10261/12790
[ES] En este trabajo investigamos el estatus, la distribución y la dieta del halcón Falco eleonorae en los islotes al norte de Lanzarote (Islas Canarias), en los meses comprendidos entre julio y octubre de 2000 y 2001. La población canaria actual (≈200 parejas nidificantes) es tres veces superior a la estimada previamente. Sin embargo, su distribución permanece similar a la reportada en estudios anteriores, limitándose a roqueríos e islotes deshabitados. Exceptuando algunos invertebrados (escarabajos y mariposas nocturnas), la dieta de este halcón está compuesta básicamente por paseriformes europeos migratorios. En total se contabilizaron unas 2371 presas pertenecientes a al menos 41 especies. Las especies más consumidas fueron Ficedula hypoleuca (25,6%, N = 607), Hippolais polyglotta (24,5%, N = 582) y Sylvia communis (20,5%, N = 487). Estos halcones también consumieron algunas especies nidificantes, como Bulweria bulwerii e Hydrobates pelagicus, que alcanzó el 5% (N = 118).
[EN] The objectives of our study were: (1) to update data on the status and distribution of the breeding Eleonora's Falcons in the Canary Islands, and (2) to provide detailed information on the temporal variation of falcon diet during the breeding season.
The results of this paper are part of the project "Restoration of the islets and the cliffs of Famara (Lanzarote Island)" (LIFE NAT/E/006392, 2000-2002) financed by the European Union and the Cabildo Insular de Lanzarote (Canary Islands, Spain).
6 pages, 4 tables.-- Short communication.
Status, Falco eleonorae, Canary Islands, Distribution, Eleonora's Falcon, Diet
Status, Falco eleonorae, Canary Islands, Distribution, Eleonora's Falcon, Diet
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