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The Arctic tern is famous for its migration; it flies from its Arctic breeding grounds to the Antarctic and back again each year. The shortest distance between these areas is 19,000 km (12,000 mi). The long journey ensures that this bird sees two summers per year and more daylight than any other creature on the planet. [ 11 ]
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 ...
The following other wikis use this file: Usage on ar.wikipedia.org قائمة طيور الشام; Usage on en.wiktionary.org tern; Usage on hy.wikipedia.org
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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 northernmost and southernmost breeders are the Arctic tern and Antarctic tern respectively. [ 5 ] [ 45 ] Many terns breeding in temperate zones are long-distance migrants , and the Arctic tern sees more annual daylight than any other animal as it migrates from its northern breeding grounds to Antarctic waters, a return journey of more than ...
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The common tern hosts feather lice, which are quite different from those found in Arctic terns, despite the close relationship of the two birds. [112] It may also be infected by parasitic worms, such as the widespread Diphyllobothrium species, the duck parasite Ligula intestinalis , and Schistocephalus species carried initially by fish.