Facial perception of conspecifics: chimpanzees ( Pan troglodytes ) preferentially attend to proper orientation and open eyes
Do apes know that they could be wrong?
Inter-individual and age differences in exploration, neophobia and problem-solving ability in a Neotropical raptor ( Milvago chimango )
The benefit of symbols: monkeys show linear, human-like, accuracy when using symbols to represent scalar value
Stereotyping starlings are more ‘pessimistic'
Spatial and feature-based memory representation in free-flying homing pigeons
Monkeys fail to reciprocate in an exchange task
Reinforcement as a mediator of the perception of humans by horses ( Equus caballus )
Gaze following in the red-footed tortoise ( Geochelone carbonaria )
The memory remains: long-term vocal recognition in Australian sea lions
Great ape foresight is looking great