Ash head vireo
| Ash head vireo | ||||||||||||
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Adult ash head vireo collecting nesting material |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Hylophilus pectoralis | ||||||||||||
| Sclater , 1866 |
The ash head vireo ( Hylophilus pectoralis ) is a South American songbird species from the Vireos family .
description
The ash head vireo reaches a size of up to 12 centimeters. Males weigh between 10.3 and 12.4 grams, females between 10.6 and 11.8 grams. The sexes look the same. The forehead, skull and back of the head are dull gray. The stripe above the eyes is dull gray-white. The ear covers are gray. The upper side including the upper wing-coverts as well as the tail are dull greenish. Control springs and flight springs have lighter hems. The chin is dirty white, the throat is mottled gray and white. The breast is greenish-yellow, lighter on the sides. The belly is dull white, the flanks are gray. The iris is brown or orange-brown. The upper bill is dark brown, the lower bill lighter brown. The legs are flesh brown. Juvenile birds are more buff colored and less gray on the head than the adult birds.
Vocalizations
The chant is a continuous fast peeer-peeer-peeer-pre-eeee . The last note is part of a characteristic trill.
Occurrence
The distribution area of the ash head vireos extends from northeastern Venezuela , Guiana , northeastern Suriname , northern French Guiana through northern and central Brazil to northern Bolivia .
habitat
The habitat are deciduous forests, secondary forests, plantations, edges of mangrove forests from sea level up to an altitude of 400 m.
Way of life
In Suriname, nests with eggs were observed in early January and fledglings that had just fledged in mid-September. The open, bowl-shaped nests are built between branches by both sexes. The clutch consists of two white eggs with black spots and a blunt end. The eggs are incubated by both parents. The diet consists of Schnabelkerfen , ants , butterfly larvae, jumping fright and beetles . Occasionally, plant-based foods such as the berries of belt flowers enrich the food spectrum.
literature
- David Brewer: Family Vireonidae (Vireos). In: J. Del Hoyo, A. Elliot, D. Christie (Eds.): Handbook of the Birds of the World. Volume 15: Weavers to New World Warblers . Lynx Edicions, 2010, ISBN 978-84-96553-68-2
Web links
- Videos, photos and sound recordings of Hylophilus pectoralis in the Internet Bird Collection
- Hylophilus pectoralis inthe IUCN 2013 Red List of Threatened Species . Listed by: BirdLife International, 2012. Retrieved February 2, 2014.