Common terns are white with a black cap, and pale gray back and wings. Their bill is red orange with a black tip. The tail is deeply forked and dark along the outer edges.
Common Terns nest colonially, sometimes in single pairs, often with other species, usually on sandy or gravelly beaches or on flat areas on islands.
Common terns nest on Assateague and may be best spotted from spring through fall (most winter from Florida southward).
Common Terns breed in colonies, and nest on the ground; nests consist of a shallow scrape or depression, sometimes lined with grasses, seaweed, or shells. They usually lay up to 3 olive-buff eggs, marked with numerous dark brown blotches.
Common terns are known to reach an age of 23 years or more on occasion (Austin, 1953). The Common Tern is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
Common Terns nesting near the boat ramp. On my first visit to the island ten years before, I photographed Arctic Terns on this very same rock.
Many other less common terns are permanent residents and warm season visitors. The Least and Roseate Terns are threatened species. In the late 1800's and early 1900's these species were decimated by plume hunters.
By late summer, Common Terns can have all red bills and the underparts turn whiter.
thought that the bird named the Common Tern in America, differs from that bearing the same name in Europe, and has in consequence changed its appellation to that of Wilson's Tern, I am of opinion that no difference exists between the Common Terns of ...
As a rule, Common Terns arrive in early May (average 3 May, earliest 27 April). They are common to abundant in summer in the vicinity of breeding colonies, particularly those along the Southwestern and Eastern shores.
RESPONSES OF NESTING COMMON TERNS AND LAUGHING GULLS TO FLYOVERS BY LARGE GULLS
Author(s): PAUL M. CAVANAGH AND CURTICE R. GRIFFIN
Abstract: Disturbance can reduce productivity by disrupting nesting behavior.
It often nests with Common Terns and Black Skimmers. Breeding habitat includes sand, gravel, or shell beaches, or some grassy areas of coastal islands. The nest is usually built in a depression on the ground.
An easterly movement of local common terns develops soon after fledging, as shown by records from the Netherlands, Denmark and north-east Germany.
Eastern Phoebes in Fall
Food-Carrying Common Terns
Bush Stone Curlews
Blue Crane - South Africa's National Bird
The Great Pirates of the Pacific ...
Atlantic Puffins, Common Murres, Herring Gulls, Common Terns, Roseate Terns, Manx Shearwaters, Horned Grebes and Laughing Gulls are regularly culled by the Great Black-backs.
 See also: Common Tern, Tern, Seabird, Shearwater, Petrel
|
