(Phys.org) —The development of a standardized killer-whale necropsy system has boosted the collection of complete data from killer-whale strandings from 2 percent to about 33 percent, according to a recent ...

Biology - Plants & Animals

Jun 07, 2013 3 / 5 (3) 0 |

It's a mystery of the sea: How many great white sharks are prowling near California's surf lines? Some scientists say the population is large and healthy. Others say it is alarmingly small. No one has ever ...

Biology - Ecology

May 28, 2013 5 / 5 (2) 0

Many terrestrial animals are frequently observed scavenging on other animals– whether it is a hyena stealing a lion kill in the Serengeti or a buzzard swooping down on a dead animal. However, documenting ...

Biology - Plants & Animals

Apr 10, 2013 4 / 5 (2) 0

(Phys.org) —A ground-breaking new study challenges popular assumptions about the feeding behaviour of the world's largest predatory fish, the white shark.

Biology - Plants & Animals

Mar 20, 2013 4.5 / 5 (2) 0

A University of Florida researcher has described a new genus and species of extinct saber-toothed cat from Polk County, Fla., based on additional fossil acquisitions of the animal over the last 25 years.

Other Sciences - Archaeology & Fossils

Mar 14, 2013 5 / 5 (3) 0 |

As the nations of the world prepare to vote on measures to restrict international trade in endangered sharks in early March, a team of researchers has found that one of these species – the oceanic whitetip ...

Biology - Ecology

Feb 20, 2013 5 / 5 (1) 0

Indonesia has announced a new shark and manta ray sanctuary, the first to protect the species in the rich marine ecosystem of the Coral Triangle, known as the "Amazon of the ocean".

Biology - Ecology

Feb 20, 2013 4.7 / 5 (3) 0

(Phys.org)—New research by Colorado State University finds that the removal of wolves from Yellowstone National Park caused complex changes in ecological processes that cannot be simply reversed by wolf ...

Biology - Ecology

Feb 07, 2013 4.7 / 5 (7) 11 |

(Phys.org)—Palaeontologists who examined a new fossil found in southern California have thrown doubt on earlier claims that a "killer walrus" once existed.

Other Sciences - Archaeology & Fossils

Jan 17, 2013 5 / 5 (3) 2 |

University of Delaware researchers are using an underwater robot to find and follow sand tiger sharks that they previously tagged with transmitters. The innovative project is part of a multi-year partnership ...

Biology - Plants & Animals

Oct 17, 2012 5 / 5 (1) 1

White sharks, the largest predatory sharks in the ocean, are thought of as apex predators that feed primarily on seals and sea lions. But a new study by researchers at the University of California, Santa ...

Biology - Plants & Animals

Sep 28, 2012 4.7 / 5 (3) 0 |

Two snow leopards were captured, fitted with satellite collars, and released for the first time in Afghanistan by a team of Wildlife Conservation Society conservationists and Afghan veterinarians conducting ...

Biology - Ecology

Jul 17, 2012 not rated yet 1

South Australian Museum and University of Adelaide scientists working on fossils from Kangaroo Island, South Australia, have found eyes belonging to a giant 500 million-year-old marine predator that sat at ...

Other Sciences - Archaeology & Fossils

Dec 07, 2011 4.1 / 5 (18) 4 |

The enormous decline of large, apex predators and "consumers" ranging from wolves to lions, sharks and sea otters may represent the most powerful impacts humans have ever had on Earth's ecosystems, a group ...

Biology - Ecology

Jul 14, 2011 5 / 5 (14) 6 |

Shark populations over the last 50 years have decreased dramatically. From habitat degradation to overfishing and finning, human activities have affected their populations and made certain species all but ...

Biology - Ecology

Jun 27, 2011 5 / 5 (1) 0