Uses
Tool use may imply that an animal has knowledge of the relationship between objects and their effects. For example, if an object is placed out of reach on a towel that itself is in reach, many animals will pull the towel to bring the object closer to them. In other cases, the tool use may be largely instinctive, such as when an Archerfish shoots water "bullets" to knock terrestrial prey into the water.
Sticks can be used to break into termite nests for food or even to fight rivals. They are sometimes used for grooming. Stones can be used, again, to fight rivals. However, they may also be used by some animals to carve bits of wood.
Some species such as the Woodpecker Finch of the Galapagos Islands use particular tools as an essential part of their foraging behavior, however, these behaviors are often quite inflexible and cannot be applied effectively in new situations.
Some species have been shown to be capable of more flexible tool use. A well-known example is Jane Goodall's observation of chimpanzees "fishing" for termites in their natural environment, and captive great apes are often observed to use tools effectively. Several species of corvids use sticks as tools or use bread crumbs for bait-fishing.
Animals create or use tools as toys for entertainment. Ravens have been observed breaking off twigs to play with socially and dolphins create bubble rings to use as toys.
Read more about this topic: Tool Use By Animals