(PhysOrg.com) -- Over-fished commercial stocks of plankton-eating fish have been replaced in several locations by jellyfish species. This appears to be something of a paradox because fish move quickly and can see their prey, ...
(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 guts allow ...
(PhysOrg.com) -- Ground-nesting birds face an uphill struggle to successfully rear their young, with many eggs and chicks falling prey to predators.
Plants & Animals
Jun 23, 2011
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While adult tyrannosaurs wielded power and size to kill large prey, youngsters used agility to hunt smaller game.
Archaeology
May 9, 2011
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In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species. For the first time, scientists have observed the same dynamics in the fossil record, ...
Evolution
May 2, 2011
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(PhysOrg.com) -- The shape of the seahorse has long baffled marine scientists, but new research suggests the seahorse’s unique shape may have evolved to allow it to catch its food when it was further away.
(PhysOrg.com) -- Scientists in the Czech Republic and Germany studying the hunting behavior of red foxes have discovered the foxes are more successful if they jump on their prey towards the north.
(PhysOrg.com) -- In cold weather a chameleon’s metabolism slows down, but its tongue continues to work quickly to capture prey. A new study has found out why: the tongue does not rely on direct muscle contractions, and ...
Could you filter 100,000 cubic metres of syrup every day to find food in a concentration of two grains of rice per cubic metre?
Plants & Animals
Sep 3, 2009
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Researchers at Nagoya University in Japan have found that cooperative hunting, in which two or more predators collaborate to capture prey, does not require sophisticated cognitive processes in the brain. Rather, cooperation ...
Evolution
May 20, 2024
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