A cougar, silent and unseen in the thick understory, is emitting a beacon from its tracking collar. “She’s close, about a hundred meters to the north,” says Beth Orning, a Ph.D. student at Oregon State University. Orning has evidence that cougar No. C216 is raising a litter in this hidden ravine.
Tag » Wolves
February 3, 2016
October 6, 2014
Wildlife in Yellowstone National Park is undergoing dramatic shifts with consequences that are beginning to return the landscape to conditions not seen in nearly a century. In the park’s northeast section, elk have decreased in number in their historic winter range in the Lamar Valley and are now more numerous outside the park. Aspen recovery […]
May 24, 2014
Livestock that have encountered wolves experience stress that may affect their health and productivity.
January 23, 2014
In ecosystems around the world, the decline of large predators such as lions, wolves and cougars is changing the face of landscapes from the tropics to the Arctic. An analysis of 31 carnivore species shows how threats such as habitat loss, persecution by humans and reductions in prey combine to create global hotspots of carnivore […]
May 29, 2012
The health of any ecosystem starts with razor-like teeth and an appetite for meat. The “apex” predators — big carnivores like bears and wolves at the top of the food web — keep things in balance, OSU researchers have found in study after study in the western United States. Now, the findings have been confirmed […]
November 16, 2011
[Editor’s note: Ingrid Ockert is senior pursuing a liberal arts degree with a focus in the history of science ] When Cristina Eisenberg and her family moved to Montana in 1994, they received a warm welcome from their neighbors. On the first night in their new log cabin, they were greeted by the sonorous howls […]
April 25, 2007
By Cristina Eisenberg In the rural West, geography defines us. I live with my husband and teenage daughters on the shoulder of Red Owl Mountain, one of the many mountains that make up the Swan Range, which is part of the crazy quilt of ranges that forms the Rocky Mountains in northwest Montana. Our cabin […]