Stygian Owl Asio stygius. Order: Strigiformes; Family: Strigidae; Polytypic: 6 subspecies; Authors: Marîa del Coro Arizmendi, Claudia I. Rodríguez-Flores, Carlos. Stygian Owl ~ Asio stygius. Introduction. The Stygian Owl is a medium-sized to large owl with prominent, erectile ear-tufts. The adjective Stygian. Population: Partners in Flight estimate the total population to number 50, , individuals (A. Panjabi in litt. ). Trend Justification: The population is.

Author: Gajas Mele
Country: Montenegro
Language: English (Spanish)
Genre: Life
Published (Last): 4 May 2010
Pages: 64
PDF File Size: 10.48 Mb
ePub File Size: 11.49 Mb
ISBN: 906-6-24624-914-4
Downloads: 2736
Price: Free* [*Free Regsitration Required]
Uploader: Bratilar

The tail is sooty-brown with a few paler bars. One of 2 birds present calling at dusk from roosting tree. The primaries are nearly plain dark brown with rows of indistinct paler spots, while the secondaries are barred light and dark. MyAvibase allows you to create and manage your own lifelists, and produce useful reports to help you plan your next birding excursion.

Thirty-four prey items from pellets collected in Home Species Articles About. Photo of the same bird: On the other hand, field observations in south-east Brazil and Belize showed Stygian owls hunting mostly in savannah-like habitats.

Stygian Owl (Asio stygius) – Planet of Birds

They lay eggs between November and May. Stygian Owl characteristics such as long ears tufts, dark coloration and particularly the brilliant red reflection of the eyes when illuminated by lamps have been associated with the Devil. Populations from south-east Brazil appear to prey mostly on small gregarious birds such as grassquits and other passerines.


Powered by WordPress and the Graphene Theme.

Christmas Island Frigatebird Rarest birds of the World: Stygian Owl Asio stygius stygius. Stygian Owl Asio stygius noctipetens. Stygian Owl Asio stygius. Juveniles appear to have a deep blue pupil. As an example, its vernacular name in Brazil is “coruja-diabo”, or “devil’s owl”! Long-billed Tailorbird Artisornis moreaui Rarest birds of the World: The intervals between vocalizations are asil.

To register to myAvibase click here. Both sexes vocalize ” wak-wak-wak ” when excited.

They are long winged and have the characteristic facial disc. Checklists There are more than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than languages. The cere is greyish-brown and the bill blackish. Upperparts are dark sooty-brown, with the forehead and crown mottled pale. The habitat was steep, ca.

Asio stygius

Asio owls are mainly nocturnal, but Short-eared Owls are also crepuscular. Stygian Owl Asio stygius robustus. Alcoa Road broadleaf forest, Pedernales.

Red-headed Vulture Rarest birds in the World: Total recording duration Eyebrows are prominent, short and whitish. A Recording not its ID has been discussed. There are no precise data on their reproduction, only isolated observations. The owl was heard giving this same call from a distance, playing a recording caused it to come in closer and be seen.


Nyctalops stygius Wagler, Minas Gerais, Brazil. In Cuba it was reported nesting in a tree hole and another on the floor, both builted using palm leaves.

Avibase is also stjgius in the following languages: Human persecution is probably the major cause of unnatural deaths. Each checklist can be viewed with photos shared by the birding community, and also printed as PDF checklists for field use. Usually absent from lowlands. The genus Asio contains the eared owls, which are characterised by feather tufts on the head which have the appearance of ears. Germano Ullrich, Brusque, Santa Catarina. Stygian Owl Asio stygius barberoi.

Related taxa Other synonyms Catalan: By using this site, you agree to the Terms of Use and Privacy Policy. The mantle and back are nearly plain, with indistinct pale feather edgings, and the outer webs of the scapulars having faint spots. Same bird as XC Views Read Edit View history. The upperparts are reverse, buff barring and streaks on a dark background.