According to Kevin McGowan, a Corvid expert at the Cornell Laboratory of Ornithology, these birds have rivaled monkeys in some psychological tests.

• 按照凯文·麦高恩(康奈尔鸟类学实验室研究乌鸦的专家)的说法，在一些心理测试中这些乌鸦已经可以与猴子比美。