By Cheryl Lyn Dybas A tale of two tigers Caspian (top) and Siberian (bottom) tigers. Bottom: Jochen Ackermann / wikimedia In reeds tinged red in the Central Asian sun, a tiger once roamed. There, in riparian forests that line rivers like the Vakhsh in the former Soviet country of Tajikistan, the Caspian tiger (Panthera tigris virgata) prowled, awaiting the passage of a wild boar or Bukhara deer. Although still a matter of debate

By Cheryl Lyn Dybas Pride vs. tribe A Maasai watching livestock. courtesy of Craig Packer A male lion saunters toward one of a safari of Land Rovers bumping its way along the floor of Ngorongoro Crater, a Tanzania National Park within the country's greater Ngorongoro Conservation Area (NCA). Inches from an open Land Rover window, the lion stops and glances at the vehicle's occupants. Without another look, he nonchalantly s