Researchers said there are signs Yellowstone's grizzly bear population is growing.
The Interagency Grizzly Bear study team says data collected on bruins over the past several decades contradict claims made in a University of Colorado study that said the population was significantly declining.
In fact, researchers with the US Geological Survey say the grizzly population in the Yellowstone ecosystem is on the rise.
"We've basically seen a doubling of occupied range of grizzly bears in the Yellowstone ecosystem from the early eighties until now," said Frank van Mean, U.S. Geological Survey.
Researchers said results confirm there are more than 700 bears in the Yellowstone region.
Officials are considering lifting federal protections for the grizzly bear.