News tagged with prey species
A classic model for ecological stability revised, 40 years later
A famous mathematical formula which shook the world of ecology 40 years ago has been revisited and refined by two University of Chicago researchers in the current issue of Nature.
Feb 19, 2012 |
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The winners of mass extinction: With predators gone, prey thrives
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 ...
May 02, 2011 |
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Big cats, wild pigs and short-eared dogs -- oh, my!
The Wildlife Conservation Society (WCS) released photos today from the first large-scale census of jaguars in the Amazon region of Ecuador—one of the most biologically rich regions on the planet.
Biology /
Jan 27, 2009 |
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Scientists examine effect of wolves' absence and see an ecosystem 'unraveling'
No trace remains of the wolves whose howls ricocheted for millennia down the lush valleys of the Olympic Peninsula. Settlers and trappers killed them all in little more than three decades.
Biology /
Jan 29, 2009 |
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Task force recommends reducing global harvest of 'forage fish'
A task force that conducted one of the most comprehensive analyses of global "forage fish" populations issued its report this week, which strongly recommends implementing more conservative catch limits for these crucial prey ...
Apr 03, 2012 |
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Megalara garuda: the King of Wasps
A new and unusual wasp species has been discovered during an expedition to the Indonesian island of Sulawesi.
Mar 23, 2012 |
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Rapid venom evolution in pit vipers may be defensive
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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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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Bats: What sounds good doesn't always taste good
Bats use a combination of cues in their hunting sequence - capture, handling and consumption - to decide which prey to attack, catch and consume and which ones they are better off leaving alone or dropping ...
May 21, 2012 |
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Playing Dead Increases Survival Rate at the Expense of Active Neighbors
A study published in the Proceeding of The Royal Society B entitled "Tonically Immobilized Selfish Prey Can Survive By Sacrificing Other", authored by researchers at Okayama University in Japan point out de ...
Apr 30, 2009 |
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Climate change driving Michigan mammals north
(PhysOrg.com) -- Some Michigan mammal species are rapidly expanding their ranges northward, apparently in response to climate change, a new study shows. In the process, these historically southern species ...
May 12, 2009 |
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