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Difference between revisions of "Western Sandpiper" - BirdForum Opus

(Imp size. References updated)
(Picture repositioned. Some extra info)
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[[Image:Western_Sandpiper.jpg|thumb|550px|right|Photo by {{user|alibenn|alibenn}}<br />Victoria, [[British Columbia]], [[Canada]], August 2004]]
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[[Image:Western_Sandpiper.jpg|thumb|400px|right|Photo by {{user|alibenn|alibenn}}<br />Victoria, [[British Columbia]], [[Canada]], August 2004]]
 
;[[:Category:Calidris|Calidris]] mauri
 
;[[:Category:Calidris|Calidris]] mauri
 
==Identification==
 
==Identification==
14–17 cm (5½-6¾ in)
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14–17 cm (5½-6¾ in)<br />
 
Dark legs with partially webbed toes (much as [[Semipalmated Sandpiper]]), short thin dark bill, thinner at the tip with a kink that gives an impression of a downturned bill. Most birds have longer bills than Semipalmated Sandpiper but there is much overlap.<br />
 
Dark legs with partially webbed toes (much as [[Semipalmated Sandpiper]]), short thin dark bill, thinner at the tip with a kink that gives an impression of a downturned bill. Most birds have longer bills than Semipalmated Sandpiper but there is much overlap.<br />
 
'''Breeding''': pale basic color with many dark spots on underside and mantle,  scapulars reddish-brown with black centers, reddish brown crown and ear-coverts. Semipalmated Sandpiper can also have reddish-brown but not as much as a fully marked western. <br />
 
'''Breeding''': pale basic color with many dark spots on underside and mantle,  scapulars reddish-brown with black centers, reddish brown crown and ear-coverts. Semipalmated Sandpiper can also have reddish-brown but not as much as a fully marked western. <br />
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==Habitat==
 
==Habitat==
[[Image:19324Sandpipers edited-1.jpg|thumb|350px|right|Photo by {{user|mrcolin2u|mrcolin2u}}<br />San Elijio, [[California]], April 2006 ]]
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Tundra for breeding, especially with areas of dwarf birch; wetlands and mudflats.
Tundra, wetlands and mudflats.
 
 
==Behaviour==
 
==Behaviour==
 
====Breeding====
 
====Breeding====
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[[Image:19324Sandpipers edited-1.jpg|thumb|350px|right|Photo by {{user|mrcolin2u|mrcolin2u}}<br />San Elijio, [[California]], April 2006 ]]
 
They nest in scrapes on the ground usually under some vegetation. The female selects one of several scrapes prepared by the male. The clutch consists of 4 eggs which are incubated by both adults. The female often leaves before the young have fully fledged.  
 
They nest in scrapes on the ground usually under some vegetation. The female selects one of several scrapes prepared by the male. The clutch consists of 4 eggs which are incubated by both adults. The female often leaves before the young have fully fledged.  
 
====Diet====
 
====Diet====
The diet includes insects, small crustaceans and molluscs.
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Their varied diet consists of larvae, pupae and adult insects, small crustaceans and molluscs.
 
==References==
 
==References==
#{{Ref-Clements6thAug15}}#Wikipedia
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#{{Ref-Clements6thAug15}}#Handbook of the Birds of the World Alive (retrieved July 2016)
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#Wikipedia
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==

Revision as of 20:46, 23 July 2016

Photo by alibenn
Victoria, British Columbia, Canada, August 2004
Calidris mauri

Identification

14–17 cm (5½-6¾ in)
Dark legs with partially webbed toes (much as Semipalmated Sandpiper), short thin dark bill, thinner at the tip with a kink that gives an impression of a downturned bill. Most birds have longer bills than Semipalmated Sandpiper but there is much overlap.
Breeding: pale basic color with many dark spots on underside and mantle, scapulars reddish-brown with black centers, reddish brown crown and ear-coverts. Semipalmated Sandpiper can also have reddish-brown but not as much as a fully marked western.
Winter: mostly pale grey upperside, white underside with whitish breast area. Semipalmated Sandpiper has darker ear-coverts and upper breast
Juvenile: rufous on upper scapulars producing a contrasting V on the back, pale breast and side and underside of head.

Breeding plumage
Photo by djleahy
Pescadero Beach, California, May 2007

Distribution

Breeds in eastern Siberia and Alaska. Migrates on both coasts of North America, far more common on the west coast where 4 million can be found in one area.

Winters in South America.

Taxonomy

This is a monotypic species[1].

Habitat

Tundra for breeding, especially with areas of dwarf birch; wetlands and mudflats.

Behaviour

Breeding

Photo by mrcolin2u
San Elijio, California, April 2006

They nest in scrapes on the ground usually under some vegetation. The female selects one of several scrapes prepared by the male. The clutch consists of 4 eggs which are incubated by both adults. The female often leaves before the young have fully fledged.

Diet

Their varied diet consists of larvae, pupae and adult insects, small crustaceans and molluscs.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved July 2016)
  3. Wikipedia

Recommended Citation

External Links

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