2. New Caledonian Crows
New Caledonian crows are renowned for their sophisticated tool-making abilities, demonstrating problem-solving skills once thought unique to primates. They craft hooked tools from twigs to extract insects from crevices, showcasing complex cognition in avian species. Their unique beak structure aids in precise tool manipulation, highlighting an evolutionary adaptation to their tool-using behavior. (allaboutbirds.org) Studies have also shown that these crows can create compound tools by combining individual parts, a cognitive feat previously observed only in humans and great apes. (sciencedaily.com) Their ability to plan, innovate, and modify tools underscores the advanced cognitive abilities of these birds. (ox.ac.uk)