Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild

These crows have developed a habit of carving a hook at the end of a twig to better reach their prey. ➡ Subscribe: About National Geographic Wild: National Geographic Wild is a place for all things animals and for animal-lovers alike. Take a journey through the animal kingdom with us and discover things you never knew before, or rediscover your favorite animals! Get More National Geographic Wild: Official Site: Facebook: