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Revista Peruana de Biología
versión On-line ISSN 1727-9933
Resumen
POZO-ZAMORA, Glenda M.; AGUIRRE, Jonathan y BRITO, Jorge. Diet of American Kestrel (Falco sparverius Linnaeus, 1758) in two localities at the north Ecuadorian interandean valley. Rev. peru biol. [online]. 2017, vol.24, n.2, pp.145-150. ISSN 1727-9933. http://dx.doi.org/10.15381/rpb.v24i2.12305.
We present the diet of American Kestrel Falco sparverius, through pellets analysis, from two different localities in the Ecuadorian north-interandean region. The most representative prey items from Sangolquí and Tababela were Coleoptera (48.4, and 39.5%), followed by Orthoptera (31.3 and 30.7%), respectively. In terms of biomass, mammals were the most important food resource in both sites, the invasive rodent Mus musculus was the most preferred prey; it would provide an appreciable predatory as pest control service. The Shannon index (H'= 1.894) indicates a median diversity of prey and, a diet amplitude of 0.26 suggests that the American Kestrel in our study sites is a specialist. Its diet differs from its relatives from other habitats where they present a generalist diet
Palabras clave : feeding; pellets; Pichincha; preys; trophic ecology.