the use of extraneous or external materials by animals, solely for the purposes of solving problems. Until recently, the use of tools was thought to be confined to humans – however, psychologists have demonstrated that apes can move crates to get to bananas, and birds are also able to use external materials in the creation of nests.
ANIMAL TOOL USE: “Animal tool use refers to the concept of animals utilizing extraneous materials to solve problems in the environment.”