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Predator-prey Current Events | Predator-prey News

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To deter a predator, kill its young!
Prey have evolved a suite of tricks to avoid falling victim to a predator. They may escape, hide, protect, become toxic/inedible or defend themselves. In principle, they could also scare the predator away, but this is risky when predators are big. Recent work led by a Dutch research team and... view more (2002-07-11)

Pendulums, predators and prey: The ecology of coupled oscillations
Connect one pendulum to another with a spring, and in time the motions of the two swinging levers will become coordinated.   view more (2006-12-04)

Novel living system recreates predator-prey interaction
The hunter-versus-hunted phenomenon exemplified by a pack of lionesses chasing down a lonely gazelle has been recreated in a Petri dish with lowly bacteria.   view more (2008-04-14)

Stealth camouflage at night
Cuttlefish are well-known masters of disguise who use highly developed camouflage tactics to blend in almost instantaneously with their surroundings.   view more (2007-03-12)

Alien predators are more dangerous than native predators
Introduced predators such as foxes and cats are twice as deadly as native predators to Australia's unique native animals, a new study has found.   view more (2007-03-14)

Study explores which carnivores are most likely to kill other carnivores
Ecologists used to think of prey as the most important factor governing the structure of predator communities. However, over the past twenty years, they have increasingly recognized the importance of interspecific killing - carnivores killing carnivores - in determining ecology and behavior.   view more (2006-03-09)

Migrating songbirds learn survival tips on the fly
Migrating songbirds take their survival cues from local winged residents when flying through unfamiliar territory, a new Queen's University-led study shows.   view more (2008-06-26)

Predators do more than kill prey
The direct effect predators have on their prey is to kill them. The evolutionary changes that can result from this direct effect include prey that are younger at maturity and that produce more offspring.   view more (2008-01-18)

Why are lions not as big as elephants?
Carnivores are some of the widest ranging terrestrial mammals for their size, and this affects their energy intake and needs.   view more (2007-01-16)

Predators drive the lemming cycle in Greenland
A recent study conducted in eastern Greenland and published in the October 31 issue of the Science magazine provides new understanding of the dynamics of arctic lemming populations. Olivier Gilg and Ilkka Hanski from the University of Helsinki, Finland, and Beno'®t Sittler from the University... view more (2003-10-29)

Computer Models Aid Understanding of Antibody-Dependent Enhancement in Spread of Dengue Fever
Some viruses' ability to exploit the human body's own defenses to increase their replication may be both a blessing and curse, according to the findings of a study conducted by researchers at the Johns Hopkins Bloomberg School of Public Health.   view more (2005-10-17)

Mussels evolve quickly to defend against invasive crabs
Scientists at the University of New Hampshire (UNH) have found that invasive crab species may precipitate evolutionary change in blue mussels in as little as 15 years.   view more (2006-08-11)

Marsupial lion tops African lion in fight to death
Pound for pound, Australia's extinct marsupial lion (Thylacoleo carnifex) would have made mince meat of today's African lion (Panthera leo) had the two big hyper-carnivores ever squared off in a fight to the death, according to an Australian scientist.   view more (2008-01-17)

Predicting boom and bust ecologies
The natural world behaves a lot like the stock market, with periods of relative stability interspersed with dramatic swings in population size and competition between individuals and species.   view more (2008-10-30)

New Research Demonstrates That Social Interaction Determines Left Or Right-side Bias
Why aren't left and right-handers equally common? New research* demonstrates that the prevalence of bias or handedness in one direction (Lateralisation) is likely to result from social selection pressures, rather than mere evolutionary chance or genetics. The research is published in Proceedings B,... view more (2004-03-02)

Fishing kills Fijian coral reefs
Outbreaks of a coral-eating starfish have occurred in Fiji resulting from overexploitation of the predatory fishes that normally limit its numbers. The impacts of the starfish are dramatic, with previously pristine coral reefs being turned into dull algal mats. Worryingly, Dulvy, Freckleton and... view more (2004-05-04)

Predatory bacterial swarm uses rippling motion to reach prey
Like something from a horror movie, the swarm of bacteria ripples purposefully toward their prey, devours it and moves on.   view more (2008-10-30)

Wolves would rather eat salmon
Although most people imagine wolves chasing deer and other hoofed animals, new research suggests that, when they can, wolves actually prefer fishing to hunting.   view more (2008-09-02)

Eavesdropping fringe-lipped bats spread culture through sound
ike a diner ordering a dessert based solely on the "oohs" and "aahs" of a customer eating the same dish the next table over, frog-eating bats learn to eat new prey by eavesdropping on their neighbors as they eat, report biologists from The University of Texas at Austin.   view more (2006-06-20)

Poison dart frog mimics gain when birds learn to stay away
Studying neotropical poison dart frogs, biologists at the University of Texas at Austin uncovered a new way that the frog species can evolve to look similar, and it hinges on the way predators learn to avoid the toxic, brightly colored amphibians.   view more (2006-03-09)

Ability to capture large prey may be origin of army ants' cooperative behavior
Animal behaviorist Sean O'Donnell was having an afternoon cup of coffee when a giant earthworm exploded out of the leaf litter covering the jungle floor in an Ecuadorean nature preserve. The worm, later measured at nearly 16 inches long, was pursued by a column of hundreds of raiding army ants that... view more (2005-12-15)

The legend of giant eagles
Gigantic eagles swooping from the skies to rescue Frodo and Sam in Peter Jackson's Tolkein inspired film trilogy 'Lord of the Rings' may not be just the stuff of legends and fairytales, according to research published today in the journal 'PloS Biology.'   view more (2004-12-23)

Prey not hard-wired to fear predators
Are Asian elk hard-wired to fear the Siberian tigers who stalk them" When wolves disappear from the forest, are moose still afraid of them?   view more (2007-06-21)

In Iran, camera traps reveal rare Asiatic cheetahs
Wildlife Conservation Society (WCS) scientists, working in conjunction with Iran's Department of Environment (DOE) in an isolated region in the Dar-e Anjir Wildlife Refuge, recently discovered that a remote camera set out to survey wildlife had photographed an entire family of extremely rare... view more (2005-08-31)

Research measures movement of nanomaterials in simple model food chain
New research shows that while engineered nanomaterials can be transferred up the lowest levels of the food chain from single celled organisms to higher multicelled ones, the amount transferred was relatively low and there was no evidence of the nanomaterials concentrating in the higher level... view more (2008-06-02)
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