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Upland Goose

From Opus

Photo by Peter BonoThe sexual dimorphism in this pair is evident in this photograph from Port Stanley, Falkland Islands.
Photo by Peter Bono
The sexual dimorphism in this pair is evident in this photograph from Port Stanley, Falkland Islands.
Chloephaga picta

Contents

[edit] Identification

Male: 64cm. White head and neck, white mantle, chest, abdomen and flanks with wide black lines, dark grey back, scapulars and primaries, white secondaries greater coverts on upperside producing a dark green speculum, grey central tail feathers , white laterals, black bill and legs.

White phase: Head, neck and chest white.

Female: 60cm. Bright red and neck, rufous mantle and chest with black lines, white abdomen and under flanks with wide black lines, black back and upper tail coverts, black bill, yellow legs, wings almost identical with male.

[edit] Distribution

South America: most of Chile, Argentina, and the Falkland Islands. It is very common in Tierra del Fuego.

Birds in flight (click on image for larger view)Photo by njlarsenMagellanes, Chile, December 2009.
Birds in flight (click on image for larger view)
Photo by njlarsen
Magellanes, Chile, December 2009.

[edit] Taxonomy

There are two subspecies[1]:

  • C. p. picta - Males polymorphic
  • C. p. leucoptera - Males always white-breasted
    • Falkland Islands

[edit] Habitat

Grassy areas and meadows below the tree line to sea level; in the southern areas on Patagonian steppe.

[edit] Behaviour

The diet includes grass stems, leaves and seeds.

Partly migratory, both north-south and elevational.

[edit] References

  1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.

[edit] External Links

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