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| González-Rojas,José I.; Padilla-Rangel,Hernaldo; Ruvalcaba-Ortega,Irene; Cruz-Nieto,Miguel A.; Canales-del-Castillo,Ricardo; Guzmán-Velasco,Antonio. |
| Abstract Background The long-eared owl (Asio otus) has a Holarctic distribution, including much of North America. This nocturnal species is considered to be extremely secretive, and poorly known in the Great Plains of the United States and Canada, as well as to México, where no previous studies on its diet have been conducted. Findings We analyzed 120 pellets collected during January 2007 in roosts in a 2-3 m height mesquite scrub within a grassland area of Reserva Ecológica El Uno, located in the Natural Protected Area Janos. We registered and identified three orders, four families, eight genera and ten species of mammals and two orders and one family of insects. Winter diet is dominated by mammals, especially rodents in both frequency and biomass.... |
| Tipo: Journal article |
Palavras-chave: Winter diet; Long-eared owl; Grasslands; Janos; México. |
| Ano: 2017 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2017000100401 |
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