In fact the wolves do less damage than other more numerous predators.
And there is little evidence that a large neck is costly to male giraffes, as generally male giraffes are no more vulnerable to predators than females.
The offspring of the summer spawners seem more vulnerable to predators, because their hatching and early growth coincides with the penguin breeding season, when those birds are hunting most.
But Dr Brunton's results suggest that when predators have more dimensions of action than prey as is the case when they are flying and the prey are on the ground, the reverse is true.
Dr Jakob Vinther, of the University of Bristol, agrees: "The fact they were having a diverse diet of both small and large dinosaurs and primitive birds could suggest that they were not specialist predators but more likely a scavenger - a sort of vulture".
In turn, that would make those communities vulnerable to scoundrels and predators and cause more crime.
CNN: Commentary: Don't confuse immigrant victims with villains
Senior park warden Nelly Palmeris told the BBC its colouring made the buffalo more vulnerable to attack by predators in the wild.
Laboratory tests with wild perch show that a widely prescribed medication called oxazepam makes the fish more mellow but also more antisocial and vulnerable to predators, the researchers said.
She said authorities are now working more closely together to identify potential predators and young people at risk.
Fortunately, researchers have concocted a cleaner and less cakey defense against Predators that's more likely to be mom approved.
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Sea urchins graze the kelp that lobsters use as cover, so the initial drop in bottom-feeders did not benefit lobsters since although they had fewer predators, they were more exposed.
More than a third of the 182 Predators deployed by the Air Force have crashed in combat or other operations, according to Air Force statistics.
While Predators and Reapers have logged more than 1 million hours of combat patrols in the skies over Afghanistan and Iraq, where insurgents don't have the ability to shoot them down, they would be likely to face challenges in the more contested airspace over the Pacific.
Boosting the number of grouse by killing predators may simply make the grouse more prone to the diseases and parasites that have contributed to a slump in their numbers over the past decade.
Secured food supplies made larger settlements possible and, more important, allowed humans to build walls against predators, environmental threats and competing tribes.
Wired reporter Kevin Poulsen ran similar scans on News Corp. (nyse: NWS - news - people )-owned MySpace members in May of 2006, exposing more than 700 registered users who were also documented sexual predators.
Echoing Larry Magid, Symons believed that the rare threat of sexual predators had, in some ways, obscured the more common problem of kids' indiscreetly publishing personal information on the Web.
'This is about taking a world of predators, a world full of wolves, and creating more sheep, ' said Terry Maketa, the sheriff of El Paso County.
Everyone faces risks, but predators target women because they seem, and sometimes they are, more vulnerable.
More to the point, according to Professor Bruce Ames, an eminent biochemist at UC-Berkeley, our foods contain 10, 000 times more natural, endogenous pesticides the result of plants evolving with their own natural defenses against fungi and predators than synthetic ones, but many of the latter are actually less harmful.
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