News tagged with predator
Sunbathing not good for tadpoles
(PhysOrg.com) -- The thinning ozone layer in the upper atmosphere may be a key factor in the collapse of frog populations worldwide, new research shows.
Feb 17, 2011 |
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Noisy youngsters pay the ultimate price
(PhysOrg.com) -- Babies crying with hunger may attract annoyed looks from bystanders, but in the bird world noisily crying nestlings are likely to pay the ultimate price, according to the authors of a new ...
Feb 09, 2011 |
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Ants' ecosystem role is 'key'
Research by the University of Exeter has revealed that ants have a big impact on their local environment as a result of their activity as 'ecosystem engineers' and predators.
Jan 31, 2011 |
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Larger groups make better decisions
(PhysOrg.com) -- A study at the University of Sydney shows for the first time that larger social groups make faster, safer and more accurate decisions.
Jan 26, 2011 |
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Insects that deter predators produce fewer offspring
Scientists studied the defences used by caterpillars that transform into large white butterflies, called Pieris brassicae. The insects regurgitate semi-digested cabbage leaves to make them smell and taste unpleasant to predators. ...
Jan 25, 2011 |
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Australian birds attract mates with 'scary movie effect'
Using a horror film to bring your date closer is a classic move in the teenage playbook. Now, a study of Australian birds finds that other animals use the same "scary movie effect" to attract female attention, ...
Jan 18, 2011 |
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New predator 'dawn runner' discovered in early dinosaur graveyard
(PhysOrg.com) -- A team of paleontologists and geologists from Argentina and the United States on Jan. 13 announced the discovery of a lanky dinosaur that roamed South America in search of prey as the age ...
Other Sciences / Archaeology & Fossils
Jan 13, 2011 |
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Species loss tied to ecosystem collapse and recovery
The world's oceans are under siege. Conservation biologists regularly note the precipitous decline of key species, such as cod, bluefin tuna, swordfish and sharks. Lose enough of these top-line predators (among ...
Space & Earth / Earth Sciences
Jan 10, 2011 |
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How seabirds share their habitat
When different species of seabirds share a habitat with limited sources of food, they must differ in their feeding habits. This specialization is known by biologists as an "ecological niche". Researchers at ...
Jan 05, 2011 |
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Internet safety not a lost cause for parents
Evenings at the Svanascini home in Palos Heights, Ill., Kathy, Mike and their two teenage sons are as likely to be huddled around their laptops as they are the television set.
Dec 21, 2010 |
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Opportunity leads to promiscuity among squirrels, study finds
University of Guelph researchers have finally figured out why female squirrels are so darn promiscuous. Turns out it has nothing to do with genes and everything to do with how many males are knocking at their ...
Dec 15, 2010 |
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Neuroscience of instinct: How animals overcome fear to obtain food (w/ Video)
(PhysOrg.com) -- When crossing a street, we look to the left and right for cars and stay put on the sidewalk if we see a car close enough and traveling fast enough to hit us before we're able to reach the ...
Medicine & Health / Neuroscience
Nov 29, 2010 |
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Pouched killers not poor cousins of carnivores
(PhysOrg.com) -- Marsupial predators are not the poor cousins of the carnivore world, as has long been thought: new research shows that they have been just as diverse as placental carnivores over time.
Other Sciences / Archaeology & Fossils
Nov 24, 2010 |
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Shining symbiosis: Bobtail squid and their bacteria buddies
In deep ocean waters, it's sometimes difficult to hide from predators. That's why so many sea creatures have evolved extraordinary methods of disguise.
Nov 23, 2010 |
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In Brief: A symbiotic, color-changing relationship
For the tiny pea aphid, body color is a matter of life and death: Red and green color morphs determine their susceptibility to various predators and parasites in the wild.
Nov 21, 2010 |
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