Black-tailed prairie dog Black-tailed prairie dog The black-tailed prairie dog ("Cynomys ludovicianus") is a rodent of the family Sciuridae found in the Great Plains of North America from about the United States-Canada border to the United States-Mexico border. Unlike some other prairie dogs, these animals do not truly hibernate. The black-tailed prairie dog can be seen above ground in midwinter. A black-tailed prairie dog town in Texas was reported to cover and included 400,000,000 individuals. Prior to habitat destruction, this species may have been the most abundant prairie dog in central North America. This species was one of two described by the Lewis
Black-tailed prairie dog vertically and throw its forefeet into the air while making a call. A jump-yip from one prairie dog causes others nearby to do the same. The instigator of the jump-yip 'wave' uses the jump-yip to assess the vigilance or watchfulness of others in the colony - a longer jump-yip wave indicates watchful neighbors and leads to increased foraging by the instigator. Age of first reproduction, pregnancy rate, litter size, juvenile growth rate, and first-year survival of the black-tailed prairie dog vary depending on food availability. Minimum breeding age for the black-tailed prairie dog is usually two years, but yearlings may