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Difference between revisions of "Torrent Duck" - BirdForum Opus

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(Picture of female. Distribution expanded. Taxonomy. References)
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[[Image:Torrent_Duck.jpg|thumb|550px|right|Male<br />Photo by {{user|Robert+Scanlon|Robert Scanlon}}<br />[[Colombia]]]]
 
;[[:Category:Merganetta|Merganetta]] armata
 
;[[:Category:Merganetta|Merganetta]] armata
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[[Image:Torrent_Duck.jpg|thumb|550px|right|Photo by Robert Scanlon<br />Male bird Photographed in Colombia.]]
 
 
==Identification==
 
==Identification==
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43-46cm.  Small streamlined duck with rubbery red bill and long stiff tail. Male: head and neck white; crown and stripe down hindneck black; black line from eye down side of neck, rest of upperparts blackish more or less streaked tawny and gray, underparts white lightly streaked gray; green wing speculum bordered white (hard to see). Female very different: crown and hindneck blue gray, rest of upperparts like male; sides of head and entire underparts orange cinnamon.
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43-46cm<br />
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Small streamlined duck with rubbery red bill and long stiff tail.<br />
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'''Male''': head and neck white; crown and stripe down hindneck black; black line from eye down side of neck, rest of upperparts blackish more or less streaked tawny and gray, underparts white lightly streaked gray; green wing speculum bordered white (hard to see).<br />
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[[Image:T duck.jpg|thumb|350px|right|Female<br />Photo by {{user|nick+scarle|nick scarle}}<br />San Isidro, [[Ecuador]], August 2008]]
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'''Female''' very different: crown and hindneck blue gray, rest of upperparts like male; sides of head and entire underparts orange cinnamon.
 
==Distribution==
 
==Distribution==
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[[Venezuela]], [[Tierra del Fuego]], [[Colombia]], [[Peru]], [[Argentina]] and [[Chile]].
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[[South America]]: found in [[Colombia]], [[Venezuela]], [[Ecuador]], [[Peru]], [[Bolivia]], [[Chile]], [[Argentina]] and [[Tierra del Fuego]].
 
==Taxonomy==
 
==Taxonomy==
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====Subspecies====
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There are 6 subspecies<sup>[[#References|[1]]]</sup>:
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*''M. a. colombiana'':
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:*Andes of [[Colombia]], adjacent north-western [[Venezuela]] and [[Ecuador]]
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*''M. a. leucogenis'':
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:*Andes of central and southern Ecuador and [[Peru]]
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*''M. a. turneri'':
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:*Andes of southern Peru (Cuzco and Arequipa)
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*''M. a. garleppi'':
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:*Andes of [[Bolivia]]
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*''M. a. berlepschi'':
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:*Andes of north-western [[Argentina]] and northern [[Chile]]
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*''M. a. armata'':
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:*Andes of Chile and adjacent Argentina south to Tierra del Fuego
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An additional subspecies ''fraenata'' is generally considered invalid<sup>[[#References|[2]]]</sup>.
 
==Habitat==
 
==Habitat==
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Fast flowing mountain rivers.
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Fast flowing mountain rivers. Observed at heights of 8700 ft.
 
==Behaviour==
 
==Behaviour==
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====Breeding====
 
It nests in waterside caves.
 
It nests in waterside caves.
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====Diet====
 
The diet includes invertebrates.
 
The diet includes invertebrates.
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==References==
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#{{Ref-Clements6thDec09}}#Avibase
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#BF Member observations
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{{ref}}
 
==External Links==
 
==External Links==
 
{{GSearch|Merganetta+armata}}
 
{{GSearch|Merganetta+armata}}
  
 
[[Category:Birds]] [[Category:Merganetta]]
 
[[Category:Birds]] [[Category:Merganetta]]

Revision as of 22:24, 28 November 2010

Male
Photo by Robert Scanlon
Colombia
Merganetta armata

Identification

43-46cm
Small streamlined duck with rubbery red bill and long stiff tail.
Male: head and neck white; crown and stripe down hindneck black; black line from eye down side of neck, rest of upperparts blackish more or less streaked tawny and gray, underparts white lightly streaked gray; green wing speculum bordered white (hard to see).

Female
Photo by nick scarle
San Isidro, Ecuador, August 2008

Female very different: crown and hindneck blue gray, rest of upperparts like male; sides of head and entire underparts orange cinnamon.

Distribution

South America: found in Colombia, Venezuela, Ecuador, Peru, Bolivia, Chile, Argentina and Tierra del Fuego.

Taxonomy

Subspecies

There are 6 subspecies[1]:

  • M. a. colombiana:
  • M. a. leucogenis:
  • Andes of central and southern Ecuador and Peru
  • M. a. turneri:
  • Andes of southern Peru (Cuzco and Arequipa)
  • M. a. garleppi:
  • M. a. berlepschi:
  • M. a. armata:
  • Andes of Chile and adjacent Argentina south to Tierra del Fuego

An additional subspecies fraenata is generally considered invalid[2].

Habitat

Fast flowing mountain rivers. Observed at heights of 8700 ft.

Behaviour

Breeding

It nests in waterside caves.

Diet

The diet includes invertebrates.

References

  1. Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. Avibase
  3. BF Member observations

Recommended Citation

External Links

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