the crows demonstrate a tool-making, and tool using, capability comparable to Palaeolithic man’s. Dr Gavin Hunt, a New Zealand biologist, spent three years observing the birds. He found that ...

Crows can recognize faces, make their own tools, and understand complex subjects — and we're only beginning to understand everything that they can do. Follow BI Video: On Twitter More from ...

But most scientists who study animal cognition have observed that many animals are able to solve problems, use tools, recall important information about their environment and recognize themselves ...

He says crows are certainly "at the very top" in terms of intelligence. "They find clever solutions to problems we give them. They use tools. They make tools," said Lefebvre. "In terms of how many ...

Chimpanzees use sticks to catch termites and stones to crack nuts open. Crows can even manufacture tools. By bending a wire, they can make a hook to retrieve a food reward that’s otherwise out of ...