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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American Oystercatcher (Haematopus palliatus) | HBW Alive

Haematopus palliatus American oystercatcher Facebook. There are no known adverse effects of American oystercatchers on humans. One of the few birds to specialize on bivalve mollusks living in saltwater, this species is completely restricted to marine habitats.

They are a social species and tend to roost communally in groups containing up to or more individuals. The second feeding technique is called “hammering”, in which the bird simply plucks a single mussel from a group of mussels, takes it to a different location, and holds it in its beak in such a way that when it begins hammering, the shell breaks easily and the chain that holds the bivalves together is severed.

It winters from New Jersey south to South America. Its eyes are yellow with an orange ring around them. The American oystercatcher Haematopus palliatusoccasionally called the American pied oystercatcheris a member of family Haematopodidae.

Both sexes invest substantial time and energy to raise their chicks. Copulations are typically initiated by the female, who stiffens her body, raises her tail, straightens her legs, bends forwards, and draws in her neck.


They are 40 to 44 cm long, have an average wingspan of 81 cm, and weigh between and g. Some American oystercatchers are also preyed on by black-crowned night herons and American crows.

During spring and fall migration, these birds can be found in shellfish beds, sand flats, or intertidal mudflats. Courting birds walk parallel to one another while holding their necks outstretched, looking downwards, and making a loud piping call.

IUCN Red List of Threatened Species

George, ; Pal,iatus and Humphrey, Florida Fish and Wildlife Conservation Commission. Range eggs per season 1 to 6 Range time to hatching 24 to 28 days Average fledging age 35 days Range 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.

Juveniles become sexually mature in 3 to 4 years. They snap the adductor muscles of the bivalves with their long bill so the shell can’t close up. Head, neck, upper breast, flight-feathers and tail black; lower breast and belly white; the only Breeding season These birds breed from February through July.

Although males and females are similar in appearance, females tend to be larger. Nol haemayopus Humphrey, ; Stokes and Stokes, Communication Channels visual tactile acoustic Perception Channels visual tactile acoustic chemical Food Habits American oystercatchers feed mainly on marine invertebrates, bivalves, mollusks, worms, clams, crabs and shell fish.

When born, the chicks are covered in tan down [8] and can run within 2 hours of hatching. The chicks fledge when they are days old, but their parents continue to care for them for another month.

The oldest documented American oystercatcher was 17 years old. The eggs are gray and speckled with haematopuw brown. The Auk Classification Kingdom Animalia animals Animalia: Many birds belonging to order Charadriiformes are long lived, including American oystercatchers.


Their major food items include soft-shell clamsblue musselssandwormsrazor clamsoystersand mole crabs. Overall population probably c. Articles with ‘species’ microformats. The American oystercatcher is found on rocky and sandy beaches, on mudflats, and on the edges of salt marshes.

Show Details Hide Details. It has long pink legs and a long, bright reddish-orange bill.

American oystercatcher

Although this oystercatcher inhabits coastal areas where human encroachment, habitat loss, and destruction are threats, the recent establishment of large coastal reserves particularly in ;alliatus and North Carolina helps to protect the center of its abundance.

Their feeding behavior sets them apart from many other shorebirds. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. Common gulls use American oystercatchers as hosts haematolus access food.

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Nesting may occur more often in salt marshes along the northern end of their range to escape possible disturbances brought on by humans. However, human disturbance, domestic catsand domestic dogs likely pose the biggest threat to Pallliatus oystercatchers.

They also eat small fish on occasion. American oystercatchers usually breed between February and July and raise one brood per summer. Some individuals may even survive up to 20 to 40 years, like their close relatives, European oystercatchers.