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On the North American side, eider down initially was preferred, but once the eiders were nearly driven to extinction in the 1770s, down collectors switched to the great auk at the same time that hunting for food, fishing bait, and oil decreased. [51] [20]: 329 The great auk had disappeared from Funk Island by 1800.
Mounted great auk, Natural History Museum, London. On Stac an Armin, in July, 1840, the last great auk (Pinguinus impennis) seen in Britain [17] was caught and killed. A then 75-year-old inhabitant of St Kilda told Henry Evans, a frequent visitor to the archipelago, that he and his father-in-law with another man had caught a "garefowl ...
Strong-swimming murres hunt faster, schooling fish, whereas auklets take slower-moving krill. Time depth recorders on auks have shown that they can dive as deep as 100 m (330 ft) in the case of Uria guillemots, 40 m (130 ft) for the Cepphus guillemots and 30 m (98 ft) for the auklets.
The auk was a powerful swimmer, a trait that it used in hunting. Humans had hunted the Great Auk for more than 100,000 years, and by the 19th century, its growing rarity increased interest from European museums and private collectors in obtaining skins and eggs of the bird.
Only a small number of the listed species are globally extinct (most famously the Irish elk, great auk and woolly mammoth). Most of the remainder survive to some extent outside the islands. The list includes introduced species only in cases where they were able to form self-sustaining colonies for a time.
The great auk was a large flightless bird that lived in the Northern Hemisphere. It had a large, intricately grooved beak. When the first settlers arrived in Iceland, the auk population was probably in the millions. However, the settlers found the auks to be “very good and nourishing meat.”
Targeted for their coveted skins, eggs, and down, hunters took advantage of the great auk's breeding season, when pairs nested in large colonies on rocky islands. [22] It was much more difficult to hunt when not breeding, as birds were less concentrated and spent most of their time in frigid waters, where they were swift and adept swimmers.
[10] [11] Banks also documented 34 species of birds, including the great auk, which became extinct in 1844. On 7 May, he noted a large number of "penguins" swimming around the ship on the Grand Banks, and a specimen he collected in Chateau Bay, Labrador, was later identified as the great auk. [12]