ANIMALS - Monkeys Remember "Words" Used by Their Ancestors Centuries Ago

In the mid-1600s, green monkeys from Africa were introduced to the West Indies island of Barbados. Despite living a predator-free life for centuries, the Barbados population still responds to an ancestral alarm call that means, roughly translated, “Run up a tree or a leopard will eat you!” Read more.. ...

http://io9.com/monkeys-remember-words-used-by-their-ancestors-centur-1