Research published recently in PLoS One delivers new insight about rapid toxin evolution in venomous snakes: pitvipers such as rattlesnakes may be engaged in an arms race with opossums, a group of snake-eating American marsup ...
Jul 18, 2011
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(PhysOrg.com) -- A new study by scientists in the US has solved the mystery of why predatory fish have a far greater digestive capacity than they actually need. The study suggests the reason is that the extra-large ...
Jul 08, 2011
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Fish are not renowned for their smarts, but new evidence suggests that they may even be able to use simple tools.
Jun 28, 2011
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Marine biologist David Wiley of the National Oceanic and Atmospheric Administration (NOAA) and others report in the latest issue of Behaviour (Volume 148, Nos. 5-6) how humpback whales in the Gulf of Maine catch prey with a ...
Jun 24, 2011
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(PhysOrg.com) -- Ground-nesting birds face an uphill struggle to successfully rear their young, with many eggs and chicks falling prey to predators.
Jun 23, 2011
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(PhysOrg.com) -- A team of biologists from Harvard Medical School have isolated a chemical found in the urine of many, if not all carnivores, that small rodents can smell and that causes them to respond accordingly; ...
Jun 21, 2011
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Indigestion is surprisingly common in pet snakes and other reptiles. It frequently results from a parasitic infection known as cryptosporidiosis, to which reptiles seem especially prone. Cryptosporidiosis is highly contagious ...
May 31, 2011
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(PhysOrg.com) -- Canadian Louise Page, associate professor at the University of Victoria, BC, has solved a mystery that has perplexed zoologists since early 19th century naturalists first wondered if venomous ...
May 20, 2011
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If you ever thought that murky waters would stop seals in their (hunting) tracks, think again. Harbour seals (Phoca vitulina) extend their vibration-sensitive whiskers to find food when their vision is obstructed. ...
May 16, 2011
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Hunting in the North Sea, harbour seals often encounter murky water that impedes their vision; but it doesn't affect their ability to chase prey. Extending their vibration-sensitive whiskers, the mammals are almost as efficient ...
May 12, 2011
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While adult tyrannosaurs wielded power and size to kill large prey, youngsters used agility to hunt smaller game.
May 09, 2011
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