THE sky over South America’s rain forest was turning that hard-to-describe color it gets right before the tropical night erases the color. Then, suddenly and silently, there the puma was! It had warily stepped into a forest clearing and stopped in its tracks.
For a moment the big cat stood motionless, except for the tip of [...]

WILLIAM ROSS, a shepherd, had an interest in purebred cats. One day in 1961, Ross visited his neighbor’s farm in Perthshire, Scotland. There he saw Susie, the neighbor’s cat. But Susie did not look like an everyday domestic feline. She was white and of mixed breed, but her ears, from about halfway up, folded forward [...]