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Gray-lined Hawk

From Opus

Subspecies blakeiPhoto by Glen TepkeOld Gamboa Road, Panama, January 2004
Subspecies blakei
Photo by Glen Tepke
Old Gamboa Road, Panama, January 2004
Buteo nitidus


[edit] Identification

Adults are generally easily recognized by the gray-and-white barred underparts and broadly white-banded black tail except in Costa Rica where Gray Hawk may be adjacent or overlapping in range.

[edit] Distribution

From southwest-most Costa Rica, through Panama and most of lowland N. and C. South America, as far south as SW Ecuador on the Pacific coast and N. Argentina east of the Andes.

[edit] Taxonomy

Gray Hawk, Buteo plagiatus, was formerly considered conspecific with this species. The common name for the species was Gray Hawk then.

ImmaturePhoto by luis jelenszkyLa Mesa, Panama, September 2005
Photo by luis jelenszky
La Mesa, Panama, September 2005

[edit] Subspecies

There are 3 subspecies[1]:

[edit] Asturina vs. Buteo

Formerly placed in the monotypic genus Asturina. Riesing et al. (2003) presented genetic data indicating that Asturina is nested within Buteo. This reclassification is supported by virtually all authorities since then: Banks et al. (2006), AOU (2006 supplement), Clements (2007), SACC (2006). The Opus follows in this consensus.

[edit] Habitat

Woodland and forest, but sometimes in more open habitats with scattered trees. Mainly in lowlands, but locally up to 1800 m (5900 ft). Generally fairly common, but rarer in its limited US range.

[edit] Behavior

[edit] Diet

Feeds on a wide range of small animals, mostly reptiles, but also birds, rodents and insects.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2013. The eBird/Clements checklist of birds of the world: Version 6.8., with updates to August 2013. Downloaded from
  2. Gill, F and D Donsker (Eds). 2012. IOC World Bird Names (version 3.2). Available at
  3. Birdforum thread discussing the taxonomy of Gray Hawk
  4. Birdforum thread discussing AOU proposals including one to split Gray Hawk in two parts
  5. Paper describing the differences between Gray Hawk and Gray-lined Hawk

[edit] External Links


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