Many animals have been studied and observed to have an incredible capacity for intelligence. Some of the most commonly cited examples of animal intelligence come from animals including primates, ...

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows ...

A recent study that shows how cows can use tools recalls the controversial 1982 cartoon from "The Far Side" comic strip called "Cow Tools." ...