While it was feared the elk population would be at risk upon reintroduction, wolf numbers on Yellowstone’s northern range has grown to 84 and elk numbers have not declined appreciably.
Rocky Mountain Wolves
The study conducted by forestry researchers supports a “trophic cascade” theory of ecological interdependence — extending to plants, animals, food chains and ecological zones.
The latest wolf casualty added to a growing number of declining wolves in New Mexico. In addition to the 11 wolves shot by government agents since 2003, 20 have died due to accidents in the agency’s recapture program, said CBD.
Wolf attacks appear to follow seasonal patterns reflecting the feeding needs of wolf packs, livestock calving and grazing cycles.
The number of endangered Mexican gray wolves confirmed in the wild declined for the third successive year as a result of trapping and shooting by the U.S. government.
A research team studied the recolonization of the canine predator in the Bow Valley of Banff National Park.
The action was a consequence of one sheep and two calves being killed in the East Fork of the Salmon River, upstream of WWP’s Greenfire Preserve.