Anguilla; Antigua and Barbuda; Argentina; Aruba; Bahamas; Barbados; Belize; Brazil; Canada; Cayman Islands; Chile; Colombia; Costa Rica; Cuba; Dominica; . American Oystercatcher – Haematopus palliatus. American Golden Plover Characteristics Range Habitat Diet Life Cycle Behavior. Adult Description. Large shorebird. Black head. Large red bill. Back brown. Underside white. Stout legs, dull pink. Bold white stripe in wings and white rump .

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Range eggs per season 1 to 6 Range time to hatching 24 to 28 days Average fledging age 35 days Haemaatopus time to independence 2 to 6 months Average age at sexual or reproductive maturity female years Average age at sexual or reproductive maturity male years Both sexes invest substantial time and energy to raise their chicks. Nesting may occur more often in salt marshes along the northern end of their range to escape possible disturbances brought on by humans.

George, ; Nol and Humphrey, Recommended citation Hockey, P.

American Oystercatcher (Haematopus palliatus) | HBW Alive

Haematopus palliatus Temminck Endothermy is a synapomorphy of the Mammalia, although it may have arisen in a now extinct synapsid ancestor; the fossil record does not distinguish these possibilities. Help author an account about this species from a Neotropical perspective.


During the breeding season, these birds are found along the Atlantic and Gulf Coasts and from Massachusetts south to Argentina and Chile. Accessed December 31, at https: Characteristics The American oystercatcher is a large shorebird. The American oystercatcher breeds from April-July.

American oystercatcher

Bright white undersides contrast greatly with these dark upperparts. Help us improve the site by taking our survey.

Palliayus birds walk parallel to one another while holding their necks outstretched, looking downwards, and making a loud piping call. The American Oystercatcher is a large, conspicuous shorebird, common in coastal salt marshes and sand beaches throughout the central part of its range. American oystercatchers are very vocal, especially during the breeding ppalliatus, when their breeding display is spectacularly auditory and visual.

Synapomorphy of the Bilateria. Pacific Ocean body of water between the southern ocean above 60 degrees south latitudeAustralia, Asia, and the western hemisphere. Accessed August 10, at http: When courting, the birds will walk together and make a single piping note.

Retrieved 26 November Common gulls use American oystercatchers as hosts to access food. Year-round Migration Breeding Non-Breeding. Among the several other oystercatcher species, American oystercatchers are the haemtaopus species native to the Atlantic Coast of North America.


Movements Resident throughout most of range, but most northerly breeders, especially in NE, move S in winter Some individuals may even survive up to 20 to 40 years, like their close relatives, European oystercatchers. To cite this page: However, human disturbance, domestic catsand domestic dogs likely pose the biggest threat to American oystercatchers.

Some American oystercatchers are also preyed on by haemwtopus night herons and American crows. It has black feathers on top and white feathers on its underside and rump. The Birds of North AmericaNo. The ADW Team gratefully acknowledges their support.

On soft substrates in Virginia, prey includes razor-clams Ensis American oystercatchers first breed when they’re years old.

Their legs are long, pale pink, and lack a hallux.

Positive American oystercatchers are an indicator species whose presence in certain areas can help humans infer the environmental conditions of those sites. Little, Brown and Company.