Members of the genus Glaucidium are very small and tiny owls. They have rounded heads without ear-tufts. Their eyes are yellow. In many species the talons are, in relation to their size, very powerful. The facial disc is not very distinct. Some species have a large dark patch with a pale border on each side of the nape of the neck, looking like false eyes. Many are partly diurnal and sing from exposed perches. These are mostly very tenacious in the hunt, and show little fear, even of approaching humans. Glaucidium is a worldwide genus, containing some 30 species. Most of the Asian species, and some of the African species show physical and behavioural differences that suggest they might be better placed in Athene, and DNA evidence suggests that there is only a distant relationship between the Old World Pygmy Owls and those of the New World.
Listen to the sound of Pernambuco Pygmy Owl
[audio:http://www.planetofbirds.com/MASTER/STRIGIFORMES/Strigidae/sounds/Pernambuco Pygmy Owl.mp3]
Copyright remark: Most sounds derived from xeno-canto
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There have been no known sightings since 2001, and targeted field surveys of localities in Pernambuco and the adjacent state of Alagoas since 2004 have failed to relocate the species. Pernambuco Pygmy-Owl is considered to be Critically Endangered according to IUCN criteria. Unsurprisingly, given its recent description and the lack of sight records of the species, the Pernambuco Pygmy-Owl’s life history remains fundamentally unknown.