A male palm cockatoo gets crafty in his effort to attract a mate.

Scientists working in Hawaii are using more sophisticated tools than ever -- like tiltmeters and thermal imagers -- to try to predict the behavior of volcanoes.

Birds are capable of learning and mastering complex social behavior, but there's one behavior that never ceases to fascinate -- their ability to use tools.

In 1994, Carel van Schaik of Duke University became the first anthropologist to document the use of tools among wild orangutans.

Like other primates, orangutans exhibit humanlike qualities -- from careful parenting to the use of tools. But how do their thought processes work?