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Compared to the common tern, it has a longer tail and mono-coloured bill, while the main differences from the roseate are its slightly darker colour and longer wings. The Arctic tern's call is more nasal and rasping than that of the common, and is easily distinguishable from that of the roseate. [22]
The common tern [2] (Sterna hirundo) is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory, wintering in coastal tropical and subtropical regions. Breeding adults have light grey upperparts, white ...
The plumage of the Inca tern is the most atypical of the group.. Terns range in size from the least tern, at 23 cm (9.1 in) in length and weighing 30–45 g (1.1–1.6 oz), [1] [2] to the Caspian tern at 48–56 cm (19–22 in), 500–700 g (18–25 oz).
Common tern, Sterna hirundo; Arctic tern, Sterna paradisaea (A) Antarctic tern, ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Old World parrots ...
Common tern, Sterna hirundo; Arctic tern, Sterna paradisaea; Black-bellied tern, ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Old World ...
Common tern: Sterna hirundo: Europe, North Africa, Asia east to western Siberia and Kazakhstan, and North America. Roseate tern: Sterna dougallii: Atlantic coasts of Europe and North America, and winters south to the Caribbean and west Africa. White-fronted tern: Sterna striata: New Zealand and Australia Black-naped tern: Sterna sumatrana
Common tern, Sterna hirundo; Arctic tern ... Corvids are above average in size among the Passeriformes, and some of the larger species show high levels of intelligence.
This is a small-medium tern, 33–36 cm (13–14 in) long with a 67–76 cm (26–30 in) wingspan, which can be confused with the common tern, Arctic tern, and the larger, but similarly plumaged, Sandwich tern. The thin sharp bill is black, with a red base which develops through the breeding season, and is more extensive (to fully red) in the ...