Friday, 25 April 2014

Sandpipers


Sandpipers are found on shores and in wetlands around the globe. Many are highly migratory with distinctive breeding Because many are long distance migrants, vagrants occur widely and the search for these vagrants is the highlight of early autumn for many American and European field observers. Likewise, many of these arctic breeders spend the non-breeding period well south of the equator, brightening the lives of birders in the austral summer (our winter). Sandpipers are a highly diverse family which include the ground-dwelling snipes & woodcocks to the highly pelagic Red Phalarope. Biochemically they seem to have arisen from a single ancestor but underwent an explosive evolution in the early Tertiary after a great wave of extinctions in the late Cretaceous period (Piersma 1996). Today, the wide variety of sandpipers, and the close relationships of many, present numerous identification challenges. The identification literature alone is impressive. Further, the beautiful patterns and colors on juvenal-plumaged birds are among the most striking in the world, while the striking breeding plumage feathers serve to camouflage adults on their breeding grounds on the arctic tundra.
» Habitat:Stream and river banks in the Tabonuco, Palm and Palo Colorado forest types.
» Discription: This bird has an olive-brown back, a white eye line and white under parts with tiny round spots. In winter when the Spotted Sandpiper visits Puerto Rico, the round spots are gone. It has a reddish-orange black tipped bill. It is 7 to 7 ѕ inches (18 to 20 centimeters) in length and females weigh 1 Ѕ to 1 ѕ ounces (43 to 50 grams) while males weigh 1 ј to 1 Ѕ (34 to 43 grams).
» Weight: 5-7 ounces.
» Length: 11-12.5 inches.
» Wingspan: 17-20 inches.

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