The authors said that natural colonization remained a possibility if Canada and the United States worked together to to protect wolves in the dispersal corridors.

The main reason wolves become violent is because they may be sick or to protect other wolves in the pack.

In the past decade, the facility has become a considerable success and a respected part of the movement to protect wolves.

Bid to protect wolves from genetic pollution.

The goal of his research, he said, is to enable officials charged with protecting wolves to know where best to put their efforts at control and education and to develop new ideas for control.

The participating ranchers follow guidelines to protect grizzly bears, elk, moose, wolves, beavers, bald eagles and great gray owls.

A biologist finds herself facing professional and romantic problems while trying to protect wolves in Montana.

A biologist faces professional and romantic problems when she tries to protect wolves in Montana.

Sealaska would get the largest volume class timber remaining which is vital to protecting wolves and goshawks, both of which could be listed as endangered.

Mr. Simpson said he was also concerned that the Park Service might close off large sections of Yellowstone to protect wolves, just as it did to protect endangered grizzly bears.