But even then, overhunting, loss of prairie habitat and diseases spread ... habits helped determine which species populated the North American grassland. Replicating historical conditions, as ...

Colorado State University researchers have identified priority areas for the conservation of the black-tailed prairie ...

RANGE: The black-tailed prairie dog is found in isolated populations from Central ... POPULATION TREND: Once one of the most abundant North American mammals, black-tailed prairie dogs were ...

These charismatic, rabbit-size rodents live on North America's prairies ... about 98 percent of all prairie dogs were exterminated, and their range subsequently shrunk to perhaps five percent ...