For example, elf owl Micrathene
whitneyi singing increases under brighter moon phases (Hardy and Morrison 2000), and eagle owls Bubo bubo call and display a white throat patch visible to others more frequently on moonlit nights (Penteriani et al.
Dieta similar al de otros pequenos buhos como el Tecolote Barbudo Megascops barbarus (Enriquez & Cheng 2008), el Mochuelo Tamaulipeco Glaucidium sanchezi (Martinez-Morales 2008) y el Mochuelo de los Saguaros Micrathene
whitneyi (Molfetto & Howard 2013); cuyo componente principal de sus dieta son los insectos.
On the other hand, the nocturnal activity of Elf Owls Micrathene
whitneyi and Western Screech Owls Megascops kennicottii does not depend on moon phase (Hardy and Morrison, 2000).
Two adult female elf owls (Micrathene
whitneyi) were treated with leuprolide acetate depot injections to prevent egg laying.
The possible occurrences in the area of species with restricted distributions in the United States and with breeding ranges extending into much of Mexico, such as elf owls (Micrathene whitneyi) and ferruginous pygmy-owls (Glaucidium brasilianum), were of particular interest.
Habitat selection, population density, and home range of the elf owl, Micrathene whitneyi, at Santa Ana National Wildlife Refuge, Texas.
varia) 8 1 1 Burrowing Owl (Athene cunicularia) 10 0 0 Eastern Screech Owl (Megascops asio) 36 0 0 Elf Owl (Micrathene
whitneyi) 1 0 0 Spotted Owl (S.
The small elf owl (Micrathene
whitneyi) lives in the Colorado Desert, nesting where holes have been made in the giant cacti by the woodpeckers.
Although nocturnal birds were not included in this study, Gamel (1997) showed at least three territories of Elf Owls (Micrathene
whitneyi) on the study site during 1995-1996, while Gehlbach (1987) reported only a partial territory on the scrubby edge of the forest.
Barlow and Johnson (1967) summarized the distributional status of the elf owl (Micrathene
whitneyi whitneyi) in the southwestern United States.