Origin of the domestic dog them to more successfully adapt to the human habitat. Even today, the wolves on Ellesmere Island do not fear humans, which is thought to be due to them seeing humans so little, and they will approach humans cautiously, curiously and closely. Some studies have found greater diversity in the genetic markers of dogs from East and Central Asia compared to Europe and have concluded that dogs originated from these regions, despite no archaeological evidence to support the conclusions. One reason for these discrepancies is the sustained admixture between different dog and wolf populations across the Old and New Worlds over
White-tailed prairie dog describing current population trends. This denial is being reconsidered, because former deputy assistant secretary Julie MacDonald has been found to have improperly influenced the scientific basis of the denial. Groups such as the Biodiversity Conservation Alliance are working to legally protect this species. White-tailed prairie dog The white-tailed prairie dog ("Cynomys leucurus") is found in western Wyoming and western Colorado with small areas in eastern Utah and southern Montana. The largest populations are in Wyoming where they are known colloquially as "chiselers". This prairie dog species lives at an elevation between 5,000 and 10,000 feet, generally a higher elevation than