PLOS Ecology Contributing Editor Mary Bates is a freelance science writer based in Boston. She has written for such publications as National Geographic News, New Scientist, and IEEE Pulse magazine. Mary received her PhD in psychology studying bat echolocation at Brown University.
Hawaiian crows (Corvus hawaiiensis) use tools when foraging for food, finds an international team of scientists and conservationists. These birds, also known as ‘Alalā, rival New Caledonian crows in their proficiency and dexterity with tools.