In areas with particularly high wolf predation risk, individual elk encountered wolves infrequently, limiting the potential cumulative effects of wolves on elk behavior.
As the U.S. moves closer to removing Wyoming gray wolf populations from the endangered species list, concerns about the fate of wolves remain.
The benefits of releasing captive-bred Mexican wolves into the wild include support of wolf reintroduction efforts in the Southwest and ecosystem balance, groups say.
Are northern Rockies’ gray wolves ready to be delisted as an endangered species? The feds and Wyoming believe so; environmentalists disagree.
The reintroduction of wolves into Yellowstone National Park is not helping aspen groves, despite declines in the number of elk, according to a new study.
The USFWS said wolf populations have exceeded biological recovery goals and are now thriving.
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.
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.