Researchers: Yellowstone grizzlies not in decline

Feb 27, 2014 by Matthew Brown

(AP)—A government-sponsored research team says there are no signs of decline among Yellowstone's grizzly bears despite warnings from outside scientists.

Members of the Interagency Grizzly Bear Study team say in a new study that data collected on the bruins over the past several decades contradict claims they could be in serious trouble. The back-and-forth comes as officials consider lifting the animals' .

The peer-reviewed study is slated to appear in the scientific journal Conservation Letters.

Lead author Frank van Manen is with the U.S. Geological Survey. He says researchers re-examined how bears are counted after a prominent University of Colorado professor raised concerns about the government's methods.

Van Manen says the results confirm the validity of assertions that more than 700 live in the Yellowstone region.

Explore further: US mulls lifting protected status for grizzly bear

add to favorites email to friend print save as pdf

Related Stories

US mulls lifting protected status for grizzly bear

Dec 12, 2013

US wildlife managers on Thursday recommended lifting endangered species protection for grizzly bears in Yellowstone National Park, which, if approved, could open the way for them to be hunted again.

Fed judge says grizzlies still threatened

Sep 21, 2009

(AP) -- A federal judge in Montana restored protections Monday for an estimated 600 grizzly bears in and around Yellowstone National Park, citing in part a decline in their food supply caused by climate change.

Recommended for you

How can we help endangered vultures?

Oct 24, 2014

Zoologists from the School of Natural Sciences at Trinity College Dublin are proposing an ingenious idea to help conserve populations of African white-backed vultures. The iconic birds, which play a critical ...

Scientists work to save endangered desert mammal

Oct 24, 2014

Amargosa voles, small rodents that inhabit rare marshes of the Mojave Desert, have faced dire circumstances in recent years. Loss of habitat, extreme drought and climate change brought this subspecies of ...

User comments : 0