Bears ‘Count’ Too: Quantity Estimation and Comparison in Black Bears, Ursus americanus

Studies of bear cognition are notably missing from the comparative record despite bears’ large relative brain size and interesting status as generalist carnivores facing complex foraging challenges, but lacking complex social structures. We investigated the numerical abilities of three American black bears, Ursus Americanus, by presenting discrimination tasks on a touch-screen computer. One bear chose […]

Quantity estimation and comparison in western lowland gorillas (Gorilla gorilla gorilla)