Scientists investigating video of a cow using tools, and later conducting some basic psychology experiments on said cow, say their findings could expand the list of animals capable of tool use.
Scientists investigating video of a cow using tools, and later conducting some basic psychology experiments on said cow, say their findings could expand the list of animals capable of tool use.
A cow using a scratcher is doing something that provides an immediate reward. The cow that selects and manipulates an appropriate stick is planning ahead for a future reward.