Phalarope

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Phalaropes
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Red-necked Phalarope
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Charadriiformes
Family:Scolopacidae
Genus:Phalaropus
Species

Red Phalarope, P. fulicaria
Red-necked Phalarope, P. lobatus
Wilson's Phalarope, P. tricolor

The name Phalarope refers to any of three species of slender-necked shorebirds in the genus Phalaropus of the bird family Scolopacidae.

They are 6–10 in (15–25 cm) in length, with lobed toes and a straight, slender bill. Predominately grey and white in winter, their plumage develops reddish markings in summer. They are especially notable for two things: their unusual nesting behavior, and their unique feeding technique.

Contents

Nesting behavior

The typical avian sex roles are reversed in the three Phalarope species. Females are larger and more brightly colored than males. The females pursue males, compete for nesting territory, and will aggressively defend their nests and chosen mates. Once the females lay their eggs, they begin their southward migration, leaving the males to incubate the eggs and care for the young.

Feeding technique

When feeding, a phalarope will often swim in a small, rapid circle, forming a small whirlpool. This behavior is thought to aid feeding by raising food from the bottom of shallow water. The bird will reach into the center of the vortex with its bill, plucking small insects or crustaceans caught up therein.

Habitat

Red and Red-necked Phalaropes are unusual amongst shorebirds in that they are considered pelagic, that is, they spend a great deal of their lives outside the breeding season well out to sea.

Phalaropes are unusually halophilic (salt-loving) and feed in great numbers in saline lakes such as Mono Lake in California and the Great Salt Lake of Utah.

Range

Two species, the Red Phalarope (Phalaropus fulicaria) (called Grey Phalarope in Europe) and Red-necked Phalarope (P. lobatus) breed around the Arctic Circle and winter on tropical oceans.

Wilson's Phalarope (P. tricolor) breeds in western North America and migrates to South America.pl:Płatkonogowate

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