Terns differ from gulls chiefly in their graceful form, in their weaker and more slender bills and feet, and their longer and more pointed wings. The tail is usually forked. most of the species are white with the back and wings pale gray, and often with a dark head. The common European tern (sterna hirundo) is found also in asia and America. Among other American species are the arctic tern (S. Paradisaea), the roseate tern (S. Dougalli), the least tern (S. Antillarum), the royal tern (S. Maxima), and the sooty tern (S. Fuliginosa). Hooded tern. See fairy bird, under Fairy. Marsh tern, any tern of the genus Hydrochelidon. They frequent marshes and rivers and feed largely upon insects. River tern, any tern belonging to Seena or allied genera which frequent rivers. Sea tern, any tern of the genus Thalasseus. Terns of this genus have very long, pointed wings, and chiefly frequent seas and the mouths of large rivers.
Origin: Dan. Terne, taerne; akin to Sw. Tarna, Icel. Erna; cf. NL. Sterna.
Origin: L. Pl. Terni three each, three; akin to tres three. See Three, and cf. Trine.
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I need some information about the physical and structural adaptations of the Onychoprion fuscatus. common name: Sooty Tern. I have already checked wikipedia but there is no information on what I want and the only text book I have is Biology 2. Thanks in advanced.
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A salmon navigates complex waterways to spawn. The Arctic Tern migrates half way around the world. If instinct is coded for in DNA, then that means, somehow, DNA acquired a representation of the physical world. How incredible is that? Also, is it coded ...
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