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Like most terns, the Arctic tern has high aspect ratio wings and a tail with a deep fork. [19] The adult plumage is grey above, with a black nape and crown and white cheeks. The upperwings are pale grey, with the area near the wingtip being translucent. The tail is white, and the underparts pale grey. Both sexes are similar in appearance.
The arctic tern is K-selected, caring for and aggressively defending a small number of young. Parents feed them fish for a considerable time, and help them fly south to winter. Arctic terns are long-lived birds, with many reaching twenty years of age. They eat mainly fish and small marine invertebrates. The species has an estimated one million ...
Terns are generally long-lived birds, with individuals typically returning for 7–10 breeding seasons. Maximum known ages include 34 for an Arctic tern and 32 for a sooty. Although several other species are known to live in captivity for up to 20 years, their greatest recorded ages are underestimates because the birds can outlive their rings. [5]
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the Arctic and sub-Arctic regions of Europe, Asia, and North America (as far south as Brittany and Massachusetts). River tern: Sterna aurantia: inland rivers from Iran east into the Indian Subcontinent and further to Myanmar to Thailand Black-bellied tern: Sterna acuticauda: Pakistan, Nepal, India and Bangladesh, with a separate range in ...
The PGC reports there was never a wide-spread population of terns at Presque Isle. There are records from the 1930s that show about 100 breeding pairs would stay at Gull Point in Erie County.
1. Adélie Penguin. These penguins are known for their playful behavior and are often seen sliding across the ice and snow on their bellies. However, this action isn't just for fun.
The common tern may attempt to steal fish from Arctic terns, [98] but might itself be harassed by kleptoparasitic skuas, [99] laughing gulls, [100] roseate terns, [101] or by other common terns while bringing fish back to its nest. [98] In one study, two males whose mates had died spent much time stealing food from neighbouring broods. [102]