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Difference between revisions of "Ring-necked Duck" - BirdForum Opus

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[[Category:Aythya]]
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[[Image:Ring-necked_Duck.jpg|thumb|550px|right|Male<br />Photo &copy; by {{user|Leslie|Leslie}}<br />Oak Park, [[California]], December 2003]]
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[[Image:Ring-necked_Duck.jpg|thumb|550px|right|Photo by {{user|Leslie|Leslie}}<br/>Location
 
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Oak Park, {{California]]]]
 
 
;[[:Category:Aythya|Aythya]] collaris
 
;[[:Category:Aythya|Aythya]] collaris
  
 
==Identification==
 
==Identification==
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[[File:Ring-necked_Duck_Female_SJ.jpg|thumb|350px|right|Female<br />Photo &copy; by {{user|Stanley+Jones|Stanley Jones}}<br />[[Anahuac National Wildlife Refuge]], [[Texas]], [[USA]], 1 February 2021]]
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37–46 cm (14½-18 in)
 
====Male====
 
====Male====
 
*Grey bill with white band
 
*Grey bill with white band
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*Shiny purple head
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*Black head which when breeding looks shiny purple
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*White breast
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*Highest point of head far behind eye
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*White belly
 
*Yellow eyes
 
*Yellow eyes
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*Dark grey back
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*Back looks black in the field
 
*White "spur" between breast and sides
 
*White "spur" between breast and sides
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*Field guides mention a cinnamon-colored ring around the neck that probably can only be seen in the hand
 
====Female====
 
====Female====
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*Pale brown head and body
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*Brown head and body, sides of body paler than rest
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*Dark brown back
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*White belly visible in flight
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*Dark bill with more subtle light band
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*Dark bill with more subtle markings compared to male
 
*Brown eyes
 
*Brown eyes
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Grey bill with a white band, a shiny purple head, a white breast, yellow eyes and a dark grey back. The adult female has a pale brown head and body with a dark brown back, a dark bill with a more subtle light band than the male and brown eyes.  
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*White eye-ring may extend behind eye as a stripe
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====Flight====
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[[Image:Ring-necked Duck ANWR.jpg|thumb|350px|right|Male<br />Photo &copy; by {{user|Stanley+Jones|Stanley Jones}}<br />[[Anahuac National Wildlife Refuge]], Chambers County, [[Texas]], [[USA]], February 2019]]
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When in flight, both male and female shows a grey stripe on flight feathers.  
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====Similar Species====
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The very similar [[Tufted Duck]] shows white in the wing.  The [[Lesser Scaup]] is darker overall, and has no eye ring.
  
 
==Distribution==
 
==Distribution==
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Northern [[United States]] and [[Canada]].
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Breeds in [[Canada]] and north west [[United States]]; mostly vacates breeding area in winter, migrating to southern USA and [[Central America]], being rare but regular in [[Panama]] and a vagrant in [[South America]]. Occurs as a vagrant with some regularity in [[Europe]]<sup>[[#References|[2]]]</sup><sup>[[#References|[3]]]</sup><sup>[[#References|[4]]]</sup><sup>[[#References|[5]]]</sup>.
 
==Taxonomy==
 
==Taxonomy==
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This is a monotypic species<sup>[[#References|[1]]]</sup>.
 
==Habitat==
 
==Habitat==
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Wooded lakes, rivers and ponds.
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Breeding on freshwater marches, wooded lakes, rivers and ponds, also found in coastal habitats in winter.
 
==Behaviour==
 
==Behaviour==
 
====Diet====
 
====Diet====
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Includes aquatic plants, molluscs, aquatic insects and small fish.
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Their diet consists mostly of aquatic vegetable matter, such as seeds, roots, leaves and tubers, also grass and sedge stems.
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====Breeding====
 
====Breeding====
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The nest is bowl-shaped, built with aquatic vegetation and lined with down, in a dry location near open water. The female lays 8 to 10 eggs.
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The bowl-shaped nest is built near water. It is constructed from aquatic vegetation and lined with down. The clutch contains 8 to 10 eggs. They may have replacement clutches.
  
 
==References==
 
==References==
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[http://en.wikipedia.org/wiki/Ring-necked_Duck]
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#{{Ref-Clements6thAug18}}# Restall et al. 2006. Birds of Northern South America. Yale University Press. ISBN 9780300124156
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#Ridgely & Gwynne 1989. Birds of Panama. Princeton Paperbacks. ISBN 0691025126
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#Beaman, M., S. Madge, K.M. Olsen. 1998. Fuglene i Europa, Nordafrika og Mellemøsten. Copenhagen, Denmark: Gads Forlag, ISBN 87-12-02276-4
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#National Geographic Society. 1987. Field Guide to the Birds of North America. Washington DC: National Geographic Society.
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#Handbook of the Birds of the World Alive (retrieved February 2019)
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{{ref}}
 
==External Links==
 
==External Links==
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{{GSearch|Aythya+collaris}}  
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{{GSearch|"Aythya collaris" {{!}} "Ring-necked Duck"}}
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{{GS-checked}}1
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<br />
 
<br />
 
<br />
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{{Video|Ring-necked_Duck}}
 
  
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[[Category:Birds]][[category:incomplete]][[Category:Videos]]
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[[Category:Birds]] [[Category:Aythya]]

Latest revision as of 20:26, 20 January 2023

Male
Photo © by Leslie
Oak Park, California, December 2003
Aythya collaris

Identification

Female
Photo © by Stanley Jones
Anahuac National Wildlife Refuge, Texas, USA, 1 February 2021

37–46 cm (14½-18 in)

Male

  • Grey bill with white band
  • Black head which when breeding looks shiny purple
  • Highest point of head far behind eye
  • White belly
  • Yellow eyes
  • Back looks black in the field
  • White "spur" between breast and sides
  • Field guides mention a cinnamon-colored ring around the neck that probably can only be seen in the hand

Female

  • Brown head and body, sides of body paler than rest
  • White belly visible in flight
  • Dark bill with more subtle markings compared to male
  • Brown eyes
  • White eye-ring may extend behind eye as a stripe

Flight

Male
Photo © by Stanley Jones
Anahuac National Wildlife Refuge, Chambers County, Texas, USA, February 2019

When in flight, both male and female shows a grey stripe on flight feathers.

Similar Species

The very similar Tufted Duck shows white in the wing. The Lesser Scaup is darker overall, and has no eye ring.

Distribution

Breeds in Canada and north west United States; mostly vacates breeding area in winter, migrating to southern USA and Central America, being rare but regular in Panama and a vagrant in South America. Occurs as a vagrant with some regularity in Europe[2][3][4][5].

Taxonomy

This is a monotypic species[1].

Habitat

Breeding on freshwater marches, wooded lakes, rivers and ponds, also found in coastal habitats in winter.

Behaviour

Diet

Their diet consists mostly of aquatic vegetable matter, such as seeds, roots, leaves and tubers, also grass and sedge stems.

Breeding

The bowl-shaped nest is built near water. It is constructed from aquatic vegetation and lined with down. The clutch contains 8 to 10 eggs. They may have replacement clutches.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Restall et al. 2006. Birds of Northern South America. Yale University Press. ISBN 9780300124156
  3. Ridgely & Gwynne 1989. Birds of Panama. Princeton Paperbacks. ISBN 0691025126
  4. Beaman, M., S. Madge, K.M. Olsen. 1998. Fuglene i Europa, Nordafrika og Mellemøsten. Copenhagen, Denmark: Gads Forlag, ISBN 87-12-02276-4
  5. National Geographic Society. 1987. Field Guide to the Birds of North America. Washington DC: National Geographic Society.
  6. Handbook of the Birds of the World Alive (retrieved February 2019)

Recommended Citation

External Links

GSearch checked for 2020 platform.1

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