“The entire wolf population (including all of Oregon and Washington) on Dec. 31, 2014, was at least 1,802 wolves,” it says. “The NRM wolf population was 1,657 wolves in at least 282 packs, with a total of at least 85 breeding pairs.”
Yellowstone’s 12 packs include a minimum of 104 animals, with breeding pairs in the 8 Mile, Junction Butte, Lamar Canyon, Prospect Peak, Bechler, Cougar Creek, Mollie’s, Snake River and Delta packs, as of Dec. 31, 2014, according to the report. Three packs overlap other states.
This puts the rest of Wyoming (outside the park) at 229 wolves in 32 packs with 16 breeding pairs, the report shows.
The Wind River Reservation’s St. Lawrence Pack has 10 wolves and a breeding pair, according to the report. A pack is defined as two or more wolves living in a defined home range that “persisted” until Dec. 31, 2014. A breeding pair is defined as one or more adult males and one or more adult females with two or more pups on Dec. 31, 2014.