Populations of predators and their prey usually follow predictable cycles. When the number of prey increases – perhaps as their food supply becomes more abundant – predator populations also grow.
Evolution
May 5, 2014
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(Phys.org) —Prey animals, such as elk and pronghorn, are changing their behavior in close proximity to predictable human activity. A new paper published in PLOS ONE by ecologists at Colorado State University provides a ...
Ecology
Apr 15, 2014
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There are both perfect and imperfect mimics in nature. An imperfect mimic might have a different body shape, size or colour pattern arrangement compared to the species it mimics.
Plants & Animals
Apr 10, 2014
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Research published in the Royal Society Journal, Interface, has demonstrated that predatory fish sneak up on lightning-fast prey by disguising water disturbances as they approach.
Plants & Animals
Nov 14, 2013
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It sounds like a scene straight from "Mutual of Omaha's Wild Kingdom"—by day, lions lounge under shade trees, but by night, the big cats rule the savannah, relying on a combination of exceptional vision and moonlight to ...
Ecology
Oct 22, 2013
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(Phys.org) —A spiny, toxic and beautiful member of the world's coral reef communities, the Red Lionfish is invisible to the small fish it likes to eat.
Ecology
Oct 18, 2013
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Camouflaged creatures can perform remarkable disappearing acts but new research shows that predators can learn to read camouflage. The study, which used human subjects as predators searching for hidden moths in computer games, ...
Plants & Animals
Sep 10, 2013
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(Phys.org) —Researchers at the University of Adelaide have discovered a novel and complex visual circuit in a dragonfly's brain that could one day help to improve vision systems for robots.
Plants & Animals
Aug 15, 2013
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(Phys.org) —Contemporary ecological theory assumes that differently sized individuals in a population are equally efficient in their use of food resources. Still this is only true in a very exceptional case. It is much ...
Ecology
Aug 6, 2013
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Thresher sharks hunt schooling sardines in the waters off a small coral island in the Philippines by rapidly slapping their tails hard enough to stun or kill several of the smaller fish at once, according to research published ...
Plants & Animals
Jul 10, 2013
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