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Tag: "penguin" at biology news

Penguin chicks exposed to human visitors experience spike in stress hormone

Newly hatched magellanic penguin chicks in breeding grounds with a large number of ...logy at Gonzaga University in Spokane. Magellanic penguin chicks are hatched in a very immature and helpless condition. Walker's group found that by the time ...

Penguins waddle but they don't fall down, UH researchers say

...penguins. By establishing the normal mechanics of penguin walking, we can better understand how to recognize and deal with abnormalities." King penguins were chosen because of their hefty size. Smaller birds, such as the rock hopper penguins, were too lightweight to register data on the mat. King pengui...

Unique gene regulation gives chilly bugs survival advantage at bottom of the world

...in early 2005 and 2006. They gathered insects from penguin colonies, where the midges feed on algae and waste material. Penguins live along the Antarctic coast, where the average summertime temperature is around 36°F (2°C). In laboratory experiments, the researchers exposed the larvae and adults to 39.2°F ...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...ucted between April and August 2001 at the emperor penguin colony of Pointe Géologie, near the French station...g cycle, and their breeding success was similar to penguin pairs without device implantation. Results This study is the first to provide long-term dee...

Human preference for other species could determine whether they survive

... of the species out there," Stokes said. "Even the penguin species I found to be among the least appealing to... the most familiar to the public. There are 17 penguin species, and in the past some were hunted for food or boiled to extract their oil. Some species now ...

Antarctic warming to reduce animals at base of ecosystem, shift some penguin populations southward

...ades in the Antarctic Peninsula has already forced penguin populations to migrate south and perhaps diminishe...isco . "Researchers are seeing the movement of penguin populations southward down the peninsula as sea ice lessens along its margins," Lyons said. "Gentoo ...

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