Their voracious appetites may also put them in competition with other big animals like the endangered black rhino.
The researchers report in the Journal of Animal Ecology that although on the whole big animals are indeed better at handling and killing prey, the largest wolves struggled in the chase.
Mixed in with the femininity are themes that cater directly to buyers in Asia: Snakes, dragons and cartoon animals played big.
Chef Anthony Bourdain, host of TV's "No Reservations, " doesn't have a problem with meat consumption, but he has a big problem with how animals are raised and slaughtered.
The big test for checking whether animals recognise themselves involves painting a mark on their faces.
Zookeeper is a much bigger production with special effects and talking animals voiced by big-name actors like Adam Sandler and Sylvester Stallone.
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The family lived in a big city, had no animals, ate supermarket food and had jobs that offered no contact with the virus.
For The Boy, as I'm calling him for the purpose of this article, to save his blushes, it's just a big mortuary filled with dead animals, apart from one very much alive, animatronic Tyrannosaurus Rex, that nobody sees fit to warn you about.
But do animals actually use their big brains and long childhoods to learn?
And policies can have tricky designs that can leave consumers with big out-of-pocket bills for their animals.
The animals that live in Africa's big game parks have been targeted by poachers for a long time, but wildlife experts don't agree on how to keep those animals alive.
They have not been able to produce enough high quality silage to feed the animals through the winter, resulting in a big rise in winter-feed costs.
Last year it was not other animals but a stuffed toy that was behind a big cat sighting.
But I think most people are slightly more accepting when it comes to testing chemotherapy on animals, because the potential payoff for humans is so big.
Despite never having worked with big apes, he was asked to work with veterinarians to check the animals' hearts.
"The animals are conceived to be 'traveling machines' instead of big thrills entrainment, " said its co-artistic director Francois Delaroziere.
"We are delighted there have been no fatalities in today's big race, " Dr. Mark Kennedy from the World Society for the Protection of Animals told CNN on Saturday .
In these areas Wolfe's team, monitoring the flow of viruses between wild animals and humans, hopes to pinpoint potential killer viruses before they establish a big foothold in people.
Stories of big cats in the UK go back to the 1960s and 70s when it was legal and fashionable to keep exotic animals as pets.
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