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Difference between revisions of "Chilean Hawk" - BirdForum Opus

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[[Image:Adult Chilean hawk.JPG|thumb|550px|right|Photo &copy; by {{user|THE_FERN|THE_FERN}}. Aguas Calientes, Parc Nacional Puyehue [[Chile]], February 2024 <!--EDITORs: image not in gallery-->]]
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[[Image:Adult Chilean hawk.JPG|thumb|550px|right|Photo &copy; by {{user|THE_FERN|THE_FERN}}<br />Aguas Calientes, Parc Nacional Puyehue, [[Chile]], February 2024 <!--EDITORs: image not in gallery-->]]
 
;[[:Category:Accipiter|Accipiter]] chilensis
 
;[[:Category:Accipiter|Accipiter]] chilensis
 
==Identification==
 
==Identification==
Male 37-38cm, female 41-42cm.  Sexes similar.
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Male 37-38 cm, female 41-42 cm.  Sexes similar.
*Dark grey upperparts,  
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*Upperparts dark grey
'Paler grey underside with dark barring on chest and abdomen
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*Crown may be darker, sometimes contrasting with paler cheeks
*Longitudinal dark stripes on throat, white undertail coverts
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*Throat may have thin longitudinal dark stripes
*Rufous thighs
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*Underparts grey (paler than back) with whitish mottling or white and orange-brown barring on chest and abdomen
*Tail with even width bands of dark and pale, end is rounded
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*Underwing coverts rufous
*Yellow iris, green yellow legs
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*Thighs rufous
 +
*Undertail coverts white
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*Tail with even width pale and dark bands: end is rounded
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*Iris yellow
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*Legs green yellow  
 
*In flight: tail mostly held closed unless soaring which happens rarely
 
*In flight: tail mostly held closed unless soaring which happens rarely
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[[Image:Chilean Hawk.jpg|thumb|400px|right|Immature<br />Photo &copy; by Jan Bisschop<br />Tierra del Fuego, Argentina, Feb. 2004]]
 
Juvenile - browner upperparts, cream fringes to feathers, pale chest and abdomen with longitudinal stripes.  
 
Juvenile - browner upperparts, cream fringes to feathers, pale chest and abdomen with longitudinal stripes.  
 
====Variation====
 
====Variation====
Some individuals are more orange on underside (except vent still whitish).
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Adults may have greyer or more orange underparts (vent still whitish).
[[Image:Chilean Hawk.jpg|thumb|550px|right|Image of immature by Jan Bisschop<br />Tierra del Fuego, Argentina, Feb. 2004]]
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==Distribution==
 
==Distribution==
 
[[Chile]], western [[Argentina]] and [[Tierra del Fuego]].
 
[[Chile]], western [[Argentina]] and [[Tierra del Fuego]].
Line 28: Line 33:
 
Its nest is an oval platform built from twigs and sticks, placed in a tall tree.  2 dull light bluish to off-white eggs are laid and incubated for 3 weeks.
 
Its nest is an oval platform built from twigs and sticks, placed in a tall tree.  2 dull light bluish to off-white eggs are laid and incubated for 3 weeks.
 
==References==
 
==References==
#{{Ref-Clements6thOct22}}#{{Ref-GillDonskerRasmussen22V12.2}}#{{Ref-Jaramillo03}}
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#{{Ref-Clements6thOct23}}#{{Ref-GillDonskerRasmussen22V12.2}}#{{Ref-Jaramillo03}}
Wikipedia
 
 
==External Links==
 
==External Links==
 
{{GSearch|"Accipiter chilensis" {{!}} "Chilean Hawk"}}
 
{{GSearch|"Accipiter chilensis" {{!}} "Chilean Hawk"}}

Revision as of 23:54, 7 May 2024

Photo © by THE_FERN
Aguas Calientes, Parc Nacional Puyehue, Chile, February 2024
Accipiter chilensis

Identification

Male 37-38 cm, female 41-42 cm. Sexes similar.

  • Upperparts dark grey
  • Crown may be darker, sometimes contrasting with paler cheeks
  • Throat may have thin longitudinal dark stripes
  • Underparts grey (paler than back) with whitish mottling or white and orange-brown barring on chest and abdomen
  • Underwing coverts rufous
  • Thighs rufous
  • Undertail coverts white
  • Tail with even width pale and dark bands: end is rounded
  • Iris yellow
  • Legs green yellow
  • In flight: tail mostly held closed unless soaring which happens rarely
Immature
Photo © by Jan Bisschop
Tierra del Fuego, Argentina, Feb. 2004

Juvenile - browner upperparts, cream fringes to feathers, pale chest and abdomen with longitudinal stripes.

Variation

Adults may have greyer or more orange underparts (vent still whitish).

Distribution

Chile, western Argentina and Tierra del Fuego.

Taxonomy

This is a monotypic species[1].

The Chilean Hawk was formerly included in Bicolored Hawk. However, status has changed back and forth a couple of times.

Habitat

Temperate forest to 2700m, hunting in shrubland, grassland or agricultural land.

Behaviour

The diet includes mainly small birds, though large insects and rodents are also taken.

Its nest is an oval platform built from twigs and sticks, placed in a tall tree. 2 dull light bluish to off-white eggs are laid and incubated for 3 weeks.

References

  1. Clements, J. F., P. C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2023. The eBird/Clements checklist of Birds of the World: v2023. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
  2. Gill, F, D Donsker, and P Rasmussen (Eds). 2022. IOC World Bird List (v 12.2) DRAFT. Doi 10.14344/IOC.ML.12.2. http://www.worldbirdnames.org/
  3. Jaramillo, A. 2003. Birds of Chile. Princeton & Oxford: Princeton Univ. Press. ISBN 978-0691117409

External Links

GSearch checked for 2020 platform.1

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