Grey-lined Hawk (Buteo nitidus)

Other Scientific Names
Asturina nitida [Sibley and Monroe (1990, 1993)]

Other Names (World)
Grey-lined Hawk, Gray-lined Hawk, Shining Buzzard-Hawk, Grey Hawk, Gray Hawk, Mexican Goshawk (plagiatus)

Family
Accipitridae (Hawks, Eagles)

Size
38 - 43 cm

First Described (Guide)
(Latham, 1790)

Habitat
Subtropical and tropical lowland dry and moist forest, dry and moist savanna. From sea-level - 1,300 m.

Range (Guide)

Argentina (B), Belize (B), Bolivia (B), Brazil (B), Colombia (B), Costa Rica (B), Ecuador (B), El Salvador (B), French Guiana (B), Guatemala (B), Guyana (B), Honduras (B), Mexico (B), Nicaragua (B), Panama (B), Paraguay (B), Peru (B), Suriname (B), Trinidad and Tobago (B), USA (B), Venezuela (B).

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 2,000,000 (2011).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (2)...)

Grey-lined Hawk (Buteo nitidus) [XC465325]
by id from Hato La Hidra, Las Vegas, Cojedes 9.21, -68.32, Venezuela (call)

Grey-lined Hawk (Buteo nitidus) [XC446716]
by Rosendo Manuel Fraga from Cujubim, Rond\u00f4nia, Brazil (song)

Subspecies
Asturina nitida and Asturina plagiata (Sibley and Monroe 1990, 1993) have been lumped as nitidus following AOU (1998) and moved to the genus Buteo following AOU (2006). Gender agreement of Buteo nitidus follows David and Gosselin (2002a).

Sometimes placed in Asturina, partly due to distinctive moult pattern; appears to form clade with Roadside Hawk (Rupornis magnirostris), Ridgway's Hawk (Buteo ridgwayi) and Red-shouldered Hawk (Buteo lineatus), and this group may be more closely allied to Leucopternis than to Buteo. Subspecies plagiatus sometimes awarded specific status, due to differences in size and plumage, but evidence remains rather weak.

The following 5 subspecies are recognised:

plagiatus (Schlegel, 1862) - Lowlands of south-western US to north-western Costa Rica.
costaricensis (Swann, 1922) - South-western Costa Rica to northern Colombia and western Ecuador.
nitidus (Latham, 1790) - Eastern Colombia and eastern Ecuador, east to Venezuela and the Guianas, and south through Amazonian Brazil to northern Maranh�o.
pallidus (Todd, 1915) - South-central Brazil (Piau�� to Rio de Janeiro and Mato Grosso) and eastern Bolivia, south to Paraguay and north-central Argentina (Tucum�n and Chaco).
blakei Hellmayr & Conover, 1949 - South-western Costa Rica to northern Colombia and western Ecuador.

References
See References.

Files:

JPG files for Grey-lined Hawk (Buteo nitidus) - 10 files

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BirdLife International

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BirdLife International Species Factsheet.

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