No bull: This Austrian cow has learned to use tools

Osuna-Mascaró hopes the work will inspire scientists to pay more attention to farm animals as well. Though he’s largely studied chimpanzees and cockatoos until now, he wants to continue to work with cows. He’s even put a cow screensaver on his phone. “I think most animals are living a rich life and have something really interesting to tell us,” he says. “We just have to ask the right questions.”