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Laughing gull Ring-billed gull Least tern. Laridae is a family of medium to large seabirds and includes gulls, terns, kittiwakes, and skimmers. They are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Black-legged kittiwake, Rissa tridactyla (A) Sabine's gull, Xema sabini (A)
The Helm Identification Guides are a series of books that identify groups of birds.The series include two types of guides, those that are: Taxonomic, dealing with a particular family of birds on a worldwide scale—most early Helm Guides were this type, as well as many more-recent ones, although some later books deal with identification of such groups on a regional scale only (e.g., The Gulls ...
In 2004, the kittiwake population in the Shetland islands, along with the murre (guillemot) and tern [18] population, completely failed to reproduce successfully due to a collapse in sandeel stock. [32] Like most gulls, kittiwake forage at the surface of the water where they tend to catch their prey while in flight or sitting on the water.
This is a fairly large and powerful tern, similar in size and general appearance to a Sandwich tern, but the short thick gull-like bill, broad wings, long legs and robust body are distinctive. The summer adult has grey upperparts, white underparts, a black cap, strong black bill and black legs.
Cabot's tern (Thalasseus acuflavidus) is a species of bird in subfamily Sterninae of the family Laridae, the gulls, terns, and skimmers. [1] It is found in the eastern United States and Middle America , the Caribbean, Trinidad and Tobago, and in every mainland South American country except Bolivia and Paraguay, though rare in Chile.
The Aleutian tern, Onychoprion aleuticus (Baird, 1869) is a bird in the family Laridae, a family of seabirds in the order Charadriiformes that includes the gulls, terns and skimmers. The generic name is from Ancient Greek onux, "claw" or "nail", and prion, "saw". The specific epithet aleuticus refers to the Aleutian Islands. [2]
Bonaparte's gull in immature (first-winter) plumage, showing the tail band and brown wing pattern cited in Ord's description of the species. When George Ord first described Bonaparte's gull in 1815, he gave it the scientific name Sterna philadelphia, and the English name 'Banded-tail Tern'; [2] the description clearly identifies it as a bird in first-winter plumage, while "The slender and tern ...
Juvenile gulls are brown, with black bills, and black legs which quickly fade to adult pink. Thayer's Gull reaches a length of 56 to 64 cm (22 to 25 in), with a wingspan of 130 to 148 cm (51 to 58 in) and a weight of approximately 720 to 1,500 g (1.59 to 3.31 lb).