Landmark Studies Reveal Animal Intelligence Evolved Separately in Birds and Mammals
In a major breakthrough that reshapes our scientific understanding of animal intelligence, a series of studies published in Science in early 2025 confirm that advanced intelligence on Earth evolved independently at least twice—once in mammals and once in birds. This finding, as reported by Quanta Magazine and summarized in Wired (wired.com), challenges longstanding assumptions about the origins of cognition in vertebrates and could hold profound implications for neuroscience, artificial intelligence, and the global search for intelligent life.