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Yellowstone Wolf Pack History


This page contains a rundown of pack History of the wolves in Yellowstone
Updated: 08 Jan 2003

Yellowstone Wolf Pack History

Chief Joseph Pack - 1996
Pack History: The 1996 capture and traslocation of the wolves was completed in January. These wolves were captured near Fort Saint John, British Columbia and relocated to the acclimation pens in Yellowstone. They have been released this spring and we will have updated information on them soon. Park biologists are hopeful that these wolves like their counterparts in 1995 will produce pups in the spring, after their release from the acclimations pens.
Crystal Creek Pack - 1995
Pack History: The Crystal Creek pack originally consisted of 6 wolves. This pack was very visible to park visitors in Lamar Valley. It is estimated that over 4000 people saw these wolves in 1995. This pack has allowed visitors to witness first hand the amazing life and death struggles now taking place in what has been referred to as the Serengeti of North America. Wolves #2 and #8 have left the pack and found mates. Wolf #3 left the Park and had to be removed from the program for killing sheep. The remaining 3 wolves, numbers 4, 5 and 6 are doing well and a litter is expected in the spring of 1996.
Druid Peak Pack - 1996
Pack History: The 1996 capture and traslocation of the wolves was completed in January. These wolves were captured near Fort Saint John, British Columbia and relocated to the acclimation pens in Yellowstone. They have been released this spring and we will have updated information on them soon. Park biologists are hopeful that these wolves like their counterparts in 1995 will produce pups in the spring, after their release from the acclimations pens.
Leopold Pack - 1995
Pack History: The Leopold pack has the distinction of being the first free forming pack in Yellowstone National Park and is named after Aldo Leopold a noted conservationist and a pioneer of wolf restoration. Striking out on their own as 1.5 year old wolves often do, female #7 from the original Rose Creek pack and male #2 from the Crystal Creek pack spent time as "lone wolves", wandering the park. We were excited to learn that they have joined together. They have staked out a territory and have been observed exhibiting courtship behavior. Pups are expected in the spring of 1996.
Lone Star Pack - 1996
Pack History: Black adult female #36 fell into a hot pot in the Old Faithful area and died (Spring 96). She was carring six pups. Male wolf #35 has been hard to track, but is believed to be in the southwest area of Yellowstone.
Nez Perce Pack - 1996
Pack History: The 1996 capture and traslocation of the wolves was completed in January. These wolves were captured near Fort Saint John, British Columbia and relocated to the acclimation pens in Yellowstone. They have been released this spring and we will have updated information on them soon. Park biologists are hopeful that these wolves like their counterparts in 1995 will produce pups in the spring, after their release from the acclimations pens.
Rose Creek Pack - 1995
Pack History: The Rose Creek Pack started with three wolves, Alpha Male #10, Alpha Female #9 and her yearling female pup #7. Alpha Male #10 was the first wolf to leave the pens; becoming the first free wolf in Yellowstone in over 60 years. Shortly after the pack was released from the acclimation pen, #7 struck out on her own. In late April, four male and four female pups were born to #9 and #10. Alpha Male #10 was illegally killed later that month. 10's killer was caught, tried and convicted. Mom and the pups were recaptured and returned to the Rose Creek pen. Since their re-release, #8 from the Crystal Creek Pack has joined #9 as the new Alpha Male and we are hoping for a second litter in 1996. Pup #22 was hit by a vehicle and killed in Lamar Valley just before Christmas 1995.
Soda Butte Pack - 1995
Pack History: The Soda Butte Pack originally contained five wolves. This group has occupied the northeast corner of the park and the adjacent National Forest since their release. The Alpha female gave birth to one pup in 1995. Biologists have been unable to determine it's sex but we know that it is active and healthy. #12 left the pack in December. He traveled outside the park's southern border and was illegally killed on 11 Feb 96 near Daniels, WY. The person responsible has not been caught. #11 left the pack in Jan 96. She was mistaken for a Coyote and killed by a ranch hand. He responsibly reported the incident and was fined $ 500. The remainder of the pack have stayed together and is doing well. It is also hoped that this pack will have pups in the spring of 1996.
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