"If you see a corvid and think, 'ooh, is that a raven?', then it's a crow. If you instead think, 'dear lord that's the biggest bird I've ever seen', then it's a

"If you see a corvid and think, 'ooh, is that a raven?', then it's a crow. If you instead think, 'dear lord that's the biggest bird I've ever seen', then it's a raven."