It was 1 a.m., and my eyes were sore from searching the inky prairie night. We were looking for one of the most endangered mammals in North America, the black-footed ferret. Which is nocturnal. And ...

The prairies were a vast area already coveted ... The costs, especially of defending British North America, were burdens that a growing number of British politicians could do without.

They live up to 25 years. FEEDING: Plains bison graze on grasses and sedges of the North American prairies. Their daily schedule involves two-hour periods of grazing, resting and cud-chewing, after ...

Tribes had lived a largely nomadic life while following the herds across the prairies. At one time, there had been as many as 50 million buffalo on the North American plains. Even in the early ...