Black bears are North America's most familiar and common ... or even (very rarely) white. Solitary animals, black bears roam large territories, though they do not protect them from other bears.

Library of Congress Historians describe white Southerners ... like North Carolina, Texas, Arkansas, the militia was fairly effective against the Klan. But in states with large black ...

Both black and white rhinoceroses are actually gray ... The horn is also valued in North Africa and the Middle East as an ornamental dagger handle. The black rhino once roamed most of sub-Saharan ...