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Yellowstone wolf pack territories in 2011. Wolf population declines, when they occur, result from "intraspecific strife," food stress, mange, canine distemper, legal hunting of wolves in areas outside the park (for sport or for livestock protection) and in one case in 2009, lethal removal by park officials of a human-habituated wolf. [23]
As of 2018, the global gray wolf population is estimated to be 200,000–250,000. [1] Once abundant over much of North America and Eurasia, the gray wolf inhabits a smaller portion of its former range because of widespread human encroachment and destruction of its habitat, and the resulting human-wolf encounters that sparked broad extirpation.
Greater Yellowstone Area Wolf Pack Territories 2002 (95% MCP except where noted) * A 75% MCP was calculated for these five home ranges because of a high fluctuation in movements.
The Yellowstone Wolf Project started in 1995 and since it's become one of the most detailed studies of wolves the world. They also focus on studying the day-to-day life and social interactions of ...
Map showing wolf packs in the Greater Yellowstone Ecosystem as of 2002. Grey wolf packs were reintroduced to Yellowstone National Park and Idaho starting in 1995. These wolves were considered as “experimental, nonessential” populations per article 10(j) of the Endangered Species Act (ESA). Such classification gave government officials ...
A California gray wolf, dubbed OR 85, in 2023. The wolf was fitted with a satellite collar to help the California Department of Fish and Wildlife track the state's burgeoning wolf population.
The DNR’s 2024 winter wolf population survey estimated at least 762 wolves distributed among 158 packs — a 131-animal increase since the last survey in 2022 and the highest estimate since 2012 ...
The wolf population in northwest Montana initially grew as a result of natural reproduction and dispersal to about 48 wolves by the end of 1994. [51] From 1995 to 1996, wolves from Alberta and British Columbia were reintroduced into Yellowstone National Park and Idaho and expanded their range into the northern Rocky Mountains and Pacific ...