Animal cognition: Which mammals are widely regarded (excluding humans) as among the most highly intelligent based on problem solving, communication, and social behavior? Choose the best-supported group.

Concept / ApproachAmong non-human mammals, dolphins (especially bottlenose dolphins) are often cited for advanced cognition: complex vocalizations, social learning, mirror self-recognition, and cooperation.

Common pitfalls

• Picking large-brained mammals without strong comparative cognition evidence relative to dolphins and other cetaceans.

Final AnswerDolphins are widely regarded as highly intelligent mammals.