Several unrelated species of catbirds are found in the world, like the green catbird of Australia and the white-eared catbird of New Guinea, but none of the others is a mimic like the gray catbird.

are home to an astounding number of white-eared kob—hundreds of thousands of animals. When joined by tiang antelopes and Mongalla gazelles they form enormous migrating herds of more than 1.2 ...