Hawks and Eagles (Accipitridae)
Grey Hawk (Buteo nitidus) - HBW 2, p. 176
French: Buse cendrée
German: Zweibindenbussard
Spanish: Busardo Gris
Other common names: Shining Buzzard-hawk; Grey-lined Hawk (nitidus); Mexican Goshawk (plagiatus)
Taxonomy: Falco nitidus Latham, 1790, Cayenne.
Sometimes placed in Asturina, partly due to distinctive moult pattern; appears to form clade with B. magnirostris, B. ridgwayi and B. lineatus, and this group may be more closely allied to Leucopternis than to Buteo. Race plagiatus sometimes awarded specific status, due to differences in size and plumage, but evidence remains rather weak. Four subspecies usually recognized.
Subspecies and Distribution:
- plagiatus (Schlegel, 1862) - SW USA (Texas to New Mexico) to NW Costa Rica.
- costaricensis (Swann, 1922) - SW Costa Rica to N Colombia and W Ecuador.
- nitidus (Latham, 1790) - E Colombia and E Ecuador, E to Venezuela and the Guianas, and S through Amazonian Brazil to N Maranhão.
- pallidus (Todd, 1915) - SC Brazil (Piauí to Rio de Janeiro and Mato Grosso) and E Bolivia, S to Paraguay and NC Argentina (Tucumán and Chaco).
- Least Concern Enlarge map
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A juvenile resting on a branch Locality Nayarit State, Mexico (Northern) (ssp plagiatus)
Eldert Groenewoud 23 October 2006 4 years ago 26 sec 4.6 -
An adult bird on a branch, calling Locality Arizona, USA (United States) (ssp plagiatus)
Don DesJardin 30 April 2004 4 years ago 15 sec 4.3 -
An adult stretching wings, spreading its tail and preening Locality Arenal region, Alajuela Province, Costa Rica (ssp plagiatus)
Max Roth 31 January 2004 6 years ago 18 sec 3.9 -
Bird perched in a tree Locality Hato Piñero, Cojedes State, Venezuela (ssp nitidus)
Anthony Laven 1 November 1996 2 years ago 13 sec 3.8 -
Dorsal view of an adult bird in a tree, defecating and resting on one leg. Locality Sao Gabriel da Cachoeira, Amazonas State, Brazil (ssp pallidus)
Josep del Hoyo 26 July 2011 4 weeks ago 17 sec 3.6 -
An adult in a tree, standing on one leg and calling once Locality Pousada Rio Roosevelt, Rio Roosevelt, Amazonas State, Brazil
Josep del Hoyo 8 July 2007 4 years ago 36 sec 3.5
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Adult
Locality Buenaventura Reserve, El Oro Province, Ecuador (ssp costaricensis)
Dusan Brinkhuizen 13 August 2011 37 weeks ago 3.9 -
On the road to Las Cuevas..
Locality Trinidad, Trinidad and Tobago
SIRROYALTY 1 year ago 3.4 -
perching
Locality Bartola River, Indio Maíz Biological Reserve, Nicaragua
Orlando Jarquín G. 17 November 2011 13 weeks ago 3.3 -
Rear view of a bird perched on a branch.
Locality Cristalino Jungle Lodge, Mato Grosso State, Brazil (ssp pallidus)
Carmelo López 17 November 2011 16 weeks ago 3.1 -
on a branch
Locality San José del Guaviare, Guaviare Department, Colombia
mauricio rueda 18 March 2012 8 weeks ago 3 -
A bird perched in a tree.
Locality San Lorenzo, Madre de Dios Department, Peru (ssp nitidus)
Joe Tobias 16 weeks ago 3
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A bird calling.
Locality Saltinho Biological Reserve, Tamandaré, Pernambuco State, Brazil
(ssp pallidus)
Josep del Hoyo 15 October 2008 2 years ago 4 -
song. Locality Serra de Baturité, Ceará State, Brazil
(ssp nitidus)
Ciro Albano 30 October 2006 3 years ago 3
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