News tagged with predatory animal
Predatory fish have large guts to help them through famine
(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 ...
'Invisible hand' guides evolution of cooperative turn-taking, research shows
It's not just good manners to wait your turn -- it's actually down to evolution, according to new research by University of Leicester psychologists.
Jul 09, 2009 |
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Search results for predatory animal
Poorly armed, but successful: The rise of the tyrants of the South
The stubby arms of Tyrannosaurus rex obviously weren't designed for hand-to-hand combat. However, the abelisaurids of the Southern hemisphere were even less well equipped in that departmentand upper limb reduction began ...
Other Sciences / Archaeology & Fossils
May 23, 2012 |
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Questions about incredible sea turtle migration answered
Immediately after emerging from their underground nests on the lush beaches of eastern Florida, loggerhead sea turtles scramble into the sea and embark alone on a migration that takes them around the entire ...
May 15, 2012 |
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Barcoding insects as a way to track and control them
Barcodes may bring to mind the sales tags and scanners found in supermarkets and other stores. But U.S. Department of Agriculture (USDA) scientists are using "DNA barcodes" to monitor insects that damage crops ...
May 02, 2012 |
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24 new species of lizards discovered on Caribbean islands are close to extinction
In a single new scientific publication, 24 new species of lizards known as skinks, all from islands in the Caribbean, have been discovered and scientifically named. According to Blair Hedges, a professor of ...
Apr 30, 2012 |
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Escalating arms race: Predatory sea urchins drive evolution
(Phys.org) -- Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in ...
Apr 17, 2012 |
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Slow snails, fast genes: Predatory snails refine venoms through continuous gene duplication
(Phys.org) -- When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.
Apr 10, 2012 |
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Egg Cetera #2: The answer to the riddle of which came first
In the second report of our Egg Cetera series on egg-related research, lets begin with the age-old question: which came first, the chicken or the egg? Armed with knowledge of evolution, the answer is ...
Other Sciences / Archaeology & Fossils
Apr 09, 2012 |
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Attack or retreat? Circuit links hunger and pursuit in sea slug brain
If you were a blind, cannibalistic sea slug, living among others just like you, nearly every encounter with another creature would require a simple cost/benefit calculation: Should I eat that, do nothing or ...
Jan 25, 2012 |
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By the light of January's Wolf Moon
(PhysOrg.com) -- A cold-eyed moon rises above Lamar Valley in Yellowstone National Park. It is January. For Native Americans, it is the time of the Wolf Moon.
Jan 11, 2012 |
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Costly copulation - research reveals the price of having sex
(PhysOrg.com) -- A recent study by Darrell Kemp, of Macquarie University, looking at the mating behaviour of the Australian plague locust has found that reproducing has a particularly high cost. According ...
Jan 09, 2012 |
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List of search results for predatory animal