carnivore

DNA traces evolution of extinct sabertooths and the American cheetah-like cat

...oming) with DNA from modern felid (cat-family) and carnivore species. The analysis shows that the sabertooth cats were a sister group to the modern cats--that is, they diverged early on from the ancestors of modern cats and are not closely related to any living felid species. The phylogenetic tree drawn from ...

Predators keep the world green, ecologists find

...ke-home message is clear: the presence of a viable carnivore guild is fundamental to maintaining biodiversity," the authors wrote. Information collected for the Journal of Ecology report is a five-year update of results published by Terborgh and 10 other scientists in the Nov. 30, 2001, issue of the journal S...

First wolverine radio-collared in Pacific Northwest

... that a wolverine had just been captured. Aubry, a carnivore expert and research wildlife biologist at the U.S. Forest Service Pacific Northwest Research Station in Olympia, Wash., and Jeff Copeland, a wolverine researcher with the Rocky Mountain Research Station in Missoula, Mont., rushed to the Methow Valley...

New tiger report release: Tiger habitat down from just a decade ago

...g viable tiger populations into the future. Large carnivore populations like tigers are highly vulnerable to extinction in small and isolated reserves. Half the 76 landscapes can still support 100 tigers or more, providing excellent opportunities for recovery of wild tiger populations. The largest tiger land...

Philandering female felines forgo fidelity

...s territory averages 37 square kilometers. In many carnivore species, it’s the males that have larger ranges that encompass several female ranges. “The picture that emerges is that of wide-ranging females mating with a number of males, which could be an advantage in terms of helping to maintain genetic dive...

Want to save polar bears? Follow the ice

...cisions that can make a difference for the largest carnivore on earth." The "Warm Waters for Cool Bears" initiative represents a departure from previous polar bear studies, which typically focused on either observing individual bears or following them with satellite collars, often at great cost and risk to ...