Greater thornbird

The greater thornbird (Phacellodomus ruber) is a species of bird in the family Furnariidae. It is found in Argentina, Bolivia, Brazil, and Paraguay. Its natural habitats are subtropical or tropical moist shrubland and heavily degraded former forest.

Greater thornbird

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Furnariidae
Genus: Phacellodomus
Species:
P. ruber
Binomial name
Phacellodomus ruber
(Vieillot, 1817)

Description

The greater thornbird grows to a length of about 20 cm (8 in). The sexes are similar, the upper parts being brown, with a rather more rufous colour on the crown, wings and tail. The underparts are whitish, the neck sometimes being scaled with a darker colour. The iris is yellow and any superciliary streak is inconspicuous. This thornbird is the largest member of the genus; the freckle-breasted thornbird (Phacellodomus striaticollis), though smaller, can look very similar, but is usually a more even shade of brown above with less rufous colouring. The song is a series of loud "chip" notes that gradually become faster but quieter.[2][3]

Distribution and habitat

The species is native to tropical South America. Its range extends from northern Bolivia and central Brazil southwards to Paraguay, Uruguay and northern Argentina. It typically inhabits areas of undergrowth in lowland gallery woodland, shrubs and scrub, seldom being found far from water. In Bolivia it is found at altitudes of up to 1,400 m (4,600 ft).[2]

Ecology

This thornbird tends to skulk in the undergrowth and usually occurs in pairs. However it does utter its song frequently, emerging to perch in a more open position to do this. The pair sometimes sing in duet.[2] It feeds mainly on insects such as beetles and ants. The nest is a cone-shaped structure up to 60 cm (24 in) tall and 50 cm (20 in) in diameter,[3] made of twigs and branches. It is often built in a position overhanging water, or is sometimes attached to a telegraph pole or other man-made object.[4] Breeding takes place between October and January.[3]

Status

The greater thornbird is a common species with a very wide range. No particular threats have been recognised and the population is thought to be stable, so the International Union for Conservation of Nature has rated its conservation status as being of "least concern".[1]

gollark: Or possibly impure beeide containing bismuth.
gollark: LyricLy appears to be inhaling pure beeide.
gollark: Acceptable.
gollark: https://en.wikipedia.org/wiki/Macron_(diacritic)
gollark: ++delete <@319753218592866315> for heresy of some sort

References
  1. BirdLife International (2016). "Phacellodomus ruber". IUCN Red List of Threatened Species. 2016: e.T22702621A93883228. doi:10.2305/IUCN.UK.2016-3.RLTS.T22702621A93883228.en.
  2. Ridgely, Robert S.; Tudor, Guy (2009). Field Guide to the Songbirds of South America: The Passerines. University of Texas Press. p. 96. ISBN 978-0-292-71748-0.
  3. Remsen, J.V., Jr. "Greater Thornbird (Phacellodomus ruber)". Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Retrieved 3 January 2018.CS1 maint: multiple names: authors list (link)
  4. "Greater Thornbird (Phacellodomus ruber)". Neotropical Birds. Cornell Lab of Ornithology. Retrieved 4 January 2018.
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