Semipalmated Plover
Encyclopedia
Plover
Plovers are a widely distributed group of wading birds belonging to the subfamily Charadriinae. There are about 40 species in the subfamily, most of them called "plover" or "dotterel". The closely related lapwing subfamily, Vanellinae, comprises another 20-odd species.Plovers are found throughout...
.
This species weighs 22–63 g (0.776027166312463–2.2 oz) and measures 14–20 cm (5.5–7.9 in) in length and 35–56 cm (13.8–22 in) across the wings. Adults have a grey-brown back and wings, a white belly, and a white breast with one black neckband. They have a brown cap, a white forehead, a black mask around the eyes and a short orange and black bill.
Their breeding habitat is open ground on beaches or flats across northern Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
and Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
. They nest on the ground in an open area with little or no plant growth.
They are migratory
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...
and winter in coastal areas ranging from the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
to Patagonia
Patagonia
Patagonia is a region located in Argentina and Chile, integrating the southernmost section of the Andes mountains to the southwest towards the Pacific ocean and from the east of the cordillera to the valleys it follows south through Colorado River towards Carmen de Patagones in the Atlantic Ocean...
. They are extremely rare vagrants to western Europe, although their true status may be obscured by the difficulty in identifying them from the very similar Ringed Plover
Ringed Plover
The Common Ringed Plover or Ringed Plover is a small plover.Adults are 17-19.5 cm in length with a 35–41 cm wingspan. They have a grey-brown back and wings, a white belly, and a white breast with one black neckband. They have a brown cap, a white forehead, a black mask around the eyes...
of Eurasia, of which it was formerly considered a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
.
These birds forage for food on beaches, tidal flats and fields, usually by sight. They eat insects, crustaceans and worms.
This bird resembles the Killdeer
Killdeer
The Killdeer is a medium-sized plover.Adults have a brown back and wings, a white belly, and a white breast with two black bands. The rump is tawny orange. The face and cap are brown with a white forehead. They have an orange-red eyering...
but is much smaller and has only one band. The term "semipalmated" refers to its partly webbed feet. Like the Killdeer and since its nest is on the ground, it uses a "broken-wing" display to lure intruders away from the nest.
External links
- Semipalmated Plover Species Account - Cornell Lab of Ornithology
- Semipalmated Plover Charadrius semipalmatus - USGS Patuxent Bird Identification InfoCenter
- Semipalmated Plover Information - South Dakota Birds and Birding
- Semipalmated Plover, Birds of Nova Scotia
- Semipalmated Plover, Environment Canada