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A 2021 study of sharp-shinned hawks recommended recognising the three endemic Caribbean island subspecies as distinct species, based on analysis of nuclear and mitochondrial DNA and diagnosed by their plumage: A. striatus, restricted to the island of Hispaniola, A. fringilloides to Cuba and A. venator to Puerto Rico.
The rufous-thighed hawk (Accipiter erythronemius) is a small hawk found from southern Brazil and southeastern Bolivia to Paraguay, Uruguay and northern Argentina.It is usually considered a subspecies of the sharp-shinned hawk by most taxonomists, including the American Ornithological Society, but the taxonomy is far from resolved, with some authorities considering the southern taxa to ...
The plain-breasted hawk (Accipiter ventralis) is a small hawk described from Venezuela to western Bolivia.It is usually considered a subspecies of the sharp-shinned hawk by most taxonomists, including the American Ornithological Society, but the taxonomy is far from resolved, with some authorities considering the southern taxa to represent three separate species: white-breasted hawk (A ...
Sharp-Shinned Hawk As their name suggests, sharp-shinned hawks have very slender legs and wings for navigating dense forests. They remind us to look beyond limiting beliefs and recognize the gifts ...
The white-breasted hawk (Accipiter chionogaster) is a small hawk found from southern Mexico to Nicaragua.It is usually considered a subspecies of the sharp-shinned hawk by most taxonomists, including the American Ornithological Society, but the taxonomy is far from resolved, with some authorities considering the southern taxa to represent three separate species: white-breasted hawk (A ...
Grey-bellied hawk. Accipiter poliogaster (Temminck, 1824) eastern Colombia, southern Venezuela, the two Guyanas, Suriname, eastern Ecuador, central and eastern Peru, Amazonian Brazil, northern Bolivia, eastern Paraguay and northeast Argentina: Size: Habitat: Diet: NT 1,000–10,000 [14] Sharp-shinned hawk. Accipiter striatus Vieillot, 1808
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Hawks, including the accipitrines, are believed to have vision several times sharper than humans, in part because of the great number of photoreceptor cells in their retinas (up to 1,000,000 per square mm, against 200,000 for humans), a very high number of nerves connecting the receptors to the brain, and an indented fovea, which magnifies the ...