Alpa female, Canyon Pack - Public Domain image, National Parks Gallery
Alpa female wolf of the Canyon pack; Neal Herbert; April 2016; Catalog #20595; Original #ndh-yell-6540
Wolf, magpies, and ravens at carcass near Soda Butte
A wolf chases magpies and ravens from an elk carcass near Soda Butte; Jim Peaco; January 10, 2016; Catalog #20469d; Original #IMG_9965
Alpha male, Canyon Pack - Public Domain image, National Parks Gallery
Alpha male of the Canyon pack; Neal Herbert; April 2016; Catalog #20593d; Original #ndh-yell-6596
Alpa female, Canyon Pack - Public Domain image, National Parks Gallery
Alpa female wolf of the Canyon pack; Neal Herbert; April 2016; Catalog #20597d; Original #ndh-yell-6482
Alpa female, Canyon pack - Public Domain image, National Parks Gallery
Alpa female wolf of the Canyon pack; Neal Herbert; April 2016; Catalog #20596; Original #ndh-yell-6512
Alpha male, Canyon Pack - Public Domain image, National Parks Gallery
Alpha male of the Canyon pack; Neal Herbert; April 2016; Catalog #20594d; Original #ndh-yell-6574
Building Crystal Bench wolf enclosure
Building Crystal Bench wolf enclosure; Jim Peaco; October 1994; Catalog #15516
Crystal Bench wolf pen - Public Domain image, National Parks Gallery
Crystal Bench wolf pen; Jim Peaco; October 1994; Cat. #15515
Wolf #7 in shipping container in Rose Creek pen
Wolf #7 in shipping container in Rose Creek pen; Jim Peaco; January 12, 1995; Catalog #15836
Mike Phillips and Steve Fritts cutting fence at Crystal Bench Pen
Mike Phillips and Steve Fritts cutting fence at Crystal Bench Pen; Doug Smith; March 1995; Cat. #15057
Bobsled with shipping container at Crystal Bench with Mark Johnson (le...
Bobsled with shipping container at Crystal Bench with Mark Johnson (left), Bob Blackwell, and Wally Wines (right); Jim Peaco; January 12, 1995 Catalog #15031
The first wolf arrives in Yellowstone at the Crystal Bench Pen (Mike P...
The first wolf arrives in Yellowstone at the Crystal Bench Pen (Mike Phillips-YNP Wolf Project Leader, Jim Evanoff-YNP, Molly Beattie- USFWS Director, Mike Finley-YNP Superintendent, Bruce Babbitt-Secretary of ... More
Wolf #7 in Rose Creek pen - Public Domain image, National Parks Galler...
Wolf #7 in Rose Creek pen; Jim Peaco; January 1995; Cat. #15037
Truck carrying wolves driving through Roosevelt Arch with school child...
Truck carrying wolves driving through Roosevelt Arch with school children watching; Diane Papineau; January 12, 1995; Catalog #15030
Wrangler, Ben Cunningham, and Billy, the mule, taking food to wolf pen...
Wrangler, Ben Cunningham, and Billy, the mule, taking food to wolf pen in strong wind and -25 degrees F. Photographer unknown; Unknown date; Catalog #15611
Wolf #9 in Rose Creek pen - Public Domain image, National Parks Galler...
Wolf #9 in Rose Creek pen; Barry O'Neill; 1995; Catalog #15572
Loading deer carcass for wolves in Crystal Bench pen
Loading deer carcass for wolves in Crystal Bench pen; Jim Peaco; February 1995; Cat. #15053
Wolves in Crystal Bench pen - Public Domain image, National Parks Gall...
Wolves in Crystal Bench pen; Jim Peaco; January 1995; Cat. #15035
Wolf #10 in Rose Creek Pen - Public Domain image, National Parks Galle...
Wolf #10 in Rose Creek Pen; Jim Peaco; February 1995; Cat. #15091hr
Wolf leaving shipping container in Rose Creek pen
Wolf leaving shipping container in Rose Creek pen; Jim Peaco; January 27, 1996; Catalog #15118
Unloading wolves in shipping containers from U.S. Forest Service plane...
Unloading wolves in shipping containers from U.S. Forest Service plane at Bozeman Airport; Jim Peaco; January 23, 1996; Cat. #15137
Mike Phillips and John Cook releasing #38 in Rose Creek pen
Mike Phillips and John Cook releasing #38 in Rose Creek pen; Jim Peaco; January 27, 1996; Catalog #15108
Doug Smith and Mike Phillips preparing to release wolf #3 on Fishing B...
Doug Smith and Mike Phillips preparing to release wolf #3 on Fishing Bridge service road; Jim Peaco; January 25, 1996; 15104
#39 of Druid pack in Rose Creek pen
#39 of Druid pack in Rose Creek pen; Barry O'Neill; 1996; Catalog #15571
Alpha male #35 in Blacktail pen
Alpha male #35 in Blacktail pen; Barry O'Neill; 1996; Catalog #15570
Wolf shipping containers in a U.S. Forest Service plane at Bozeman Air...
Wolf shipping containers in a U.S. Forest Service plane at Bozeman Airport; Jim Peaco; January 23, 1996; Cat.#15138
Sawtooth wolf pup walking fence line in Nez Perce Pen
Sawtooth wolf pup walking fence line in Nez Perce Pen; Jim Peaco; February 1996; Catalog #15364
Mike Phillips and John Cook releasing #38 in Rose Creek pen
Mike Phillips and John Cook releasing #38 in Rose Creek pen; Jim Peaco; January 27, 1996; Catalog #15510
Doug Smith fitting radio collar on Sawtooth wolf pup in Lamar barn
Doug Smith fitting radio collar on Sawtooth wolf pup in Lamar barn; Jim Peaco; February 1997; Cat. #15373
Releasing Sawtooth pup in Nez Perce pen
Releasing Sawtooth pup in Nez Perce pen; Jim Peaco; February 1997; Catalog #15376
Doug Smith carrying wolf in Rose Creek Pen
Doug Smith carrying wolf in Rose Creek Pen; Jim Peaco; February 1997; Cat. #15372
Ben Cunningham and Sawtooth pups
Ben Cunningham and Sawtooth pups; Jim Peaco; February 1997; Catalog #15375
Black and grey wolf (female from Druid pack,"Half Black") walking in r...
Black and grey wolf (female from Druid pack,Half Black) walking in road near Lamar River bridge; Jim Peaco; December 31, 2003; Catalog #18017d; Original #B66G2785
Wolf howling on glacial erratic in Little Americal Flats
Wolf howling on glacial erratic in Little Americal Flats; Jim Peaco; February 3, 2004; Catalog #18038d; Original #B66G3232
Black and grey wolf (female from Druid pack, "Half Black") standing in...
Black and grey wolf (female from Druid pack, Half Black) standing in road near Lamar River bridge; Jim Peaco; December 31, 2003; Catalog #18018d; Original #B66G2790
Black and grey wolf (female from Druid pack, "Half Black") walking in ...
Black and grey wolf (female from Druid pack, Half Black) walking in snow near Lamar River bridge; Jim Peaco; December 31, 2003; Catalog #18016d; Original #B66G2776
Wolf in Lamar Valley - Public Domain image, National Parks Gallery
Wolf in Lamar Valley; Jim Peaco; April 2009; catalog #18603d original #RD7Y7234
Canyon wolf near Mammoth Hot Springs
Canyon wolf near Mammoth Hot Springs; Jim Peaco; April 30, 2009; Catalog #18630d; Original #RD7Y9830
Grizzly sow and three cubs with two wolves on carcass in Alum Creek
Grizzly sow and three cubs with two wolves on carcass in Alum Creek; Jim Peaco; July 1, 2010; Catalog #18694d; Original #RD7Y0332
Wolf crossing Alum Creek in Hayden Valley
Wolf crossing Alum Creek in Hayden Valley; Jim Peaco; July 2010; Catalog #18815d; Original #RD7Y2342
Boreal Chorus Frog - High Lake - Public Domain image, National Parks G...
Boreal Chorus Frog - High Lake; Jay Fleming; July 2011; Catalog #19582d
Wolf crossing Swan Lake Flat - Public Domain image, National Parks Gal...
Wolf crossing Swan Lake Flat; Jim Peaco; June 2012; Catalog #18806d; Original #IMG_4086
8-Mile Pack wolf pups - Public Domain image, National Parks Gallery
8-Mile Pack wolf pups; Dan Stahler; June 2013; Catalog #19659d
Yellowstone Delta Pack wolf - Public Domain image, National Parks Gall...
Yellowstone Delta Pack wolf; Dan Stahler; November 2013; Catalog #19660d
Alpha male (712) of the Canyon pack approaching a sub-ordinate in the ...
Alpha male (712) of the Canyon pack approaching a sub-ordinate in the Lower Geyser Basin; Jim Peaco; February 2015 Copy of IMG_6547
Alpha female of the Canyon pack
Alpha female of the Canyon pack in the Lower Geyser Basin; Jim Peaco; February 2015; Catalog #19895d; Original #IMG_6481
Canyon Pack wolves, Yellowstone National Park
Canyon wolf pack in Lower Geyser Basin; Jim Peaco; February 2015; Catalog #19883d; Original #IMG_6556
Alpha male (712) of the Canyon pack in the Lower Geyser Basin
Alpha male (712) of the Canyon pack in the Lower Geyser Basin; Jim Peaco; February 2015 Copy of IMG_6500
Alpha female of the Canyon pack in the Lower Geyser Basin
Alpha female of the Canyon pack in the Lower Geyser Basin; Jim Peaco; February 2015 Copy of IMG_6476