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Sea terns have deeply forked tails, ... In 1961 the common tern was the first wild bird species identified as being infected with avian influenza, ...
Like all Sterna terns, the common tern feeds by plunge-diving for fish, from a height of 1–6 m (3.3–19.7 ft), either in the sea or in freshwater lakes and large rivers. The bird may submerge for a second or so, but to no more than 50 cm (20 in) below the surface. [ 88 ]
The white-fronted tern (Sterna striata), also known as tara, sea swallow, [2] black-billed tern, kahawai bird, southern tern, [3] or swallow tail, [4] was first described by Johann Friedrich Gmelin in 1789. [3] A medium-sized tern with an all-white body including underwing and forked tail, with grey hues on the over the upper side of the wing ...
A successful breeding season for a colony of one of the UK's rarest seabirds depleted by bird flu is giving conservationists "hope for the future". Roseate terns on Coquet Island, off the ...
The greater crested tern feeds mostly at sea by plunge diving to a depth of up to 1 m (3.3 ft), or by dipping from the surface, and food is usually swallowed in mid-air. Birds may forage up to 10 km (6.2 mi) from land in the breeding season. Prey size ranges from 7–138 mm (0.28–5.43 in) in length and up to 30 g (1.1 oz) in weight.
The white tern, manu-o-Kū, was named Honolulu, Hawaiʻi's official bird on April 2, 2007. New Zealand's Department of Conservation classifies the white tern as Nationally Critical, with populations having been largely decimated by the introduction of feral cats and rats on Raoul Island, the terns' only breeding site in the country. [18]
An adult roseate tern catches a sand eel to deliver to a recently fledged chick. The bird was photographed on an unnamed island between Tuckernuck and Muskeget islands to the west of Nantucket.
The sooty tern is highly aerial and marine and spends months flying at sea, returning to land only for breeding. [1] Raft of coastal seabirds [2] Gulf of St. Lawrence, Quebec, Canada. Seabirds (also known as marine birds) are birds that are adapted to life within the marine environment.