A study of New Caledonian crows, which use sticks to fish beetle larvae out of tree trunks, shows exactly how advantageous tool use can be for animals. "Evolutionarily, animals that use tools have an ...
Crows have long fascinated scientists for their unusual problem solving skills and startling intelligence. This video explores how they use tools plan ahead and remember human faces with incredible ...
Besides being dark and mysterious, crows are extremely intelligent birds. So smart, in fact, that it might be a little bit scary. Even though their brains are the size of a human thumb, their ...
When Jane Goodall first encountered chimpanzees using twigs as tools in 1960—something that scientists had assumed only humans could do — she wrote an excited ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果