Domestic chickens are members of an order, Aves, which has been the focus of a revolution
in our understanding of neuroanatomical, cognitive, and social complexity. At least some …

Abstract Theory of mind (ToM; aka, mind‐reading, mentalizing, mental‐state attribution, and
perspective‐taking) is the ability to ascribe mental states, such as desires and beliefs, to …

Humans possess an extraordinary capacity for cultural production, from the arts and
language to science and technology. How did the human mind—and the uniquely human …

Discussions of the evolution of intelligence have focused on monkeys and apes because of
their close evolutionary relationship to humans. Other large-brained social animals, such as …

The soft‐bodied cephalopods including octopus, cuttlefish, and squid are broadly
considered to be the most cognitively advanced group of invertebrates. Previous research …

Assumptions on the neural basis of cognition usually focus on cortical mechanisms. Birds
have no cortex, but recent studies in parrots and corvids show that their cognitive skills are …

Since the BBS article in which Premack and Woodruff (1978) asked “Does the chimpanzee
have a theory of mind?,” it has been repeatedly claimed that there is observational and …

Recent studies purported to demonstrate that chimpanzees, monkeys and corvids possess a
basic Theory of Mind, the ability to attribute mental states like seeing to others. However …

The first Mariana crow I encountered in the flesh was a young bird named Diseja. Perched
up close to the mesh siding of her small aviary, she called out again and again as she saw …

Comparative psychologists interested in the evolution of intelligence have focused their
attention on social primates, whereas birds tend to be used as models of associative …