An old English farmer with a strong Dorset accent once explained the difference to me:
“If you see a raven, and there’s only one of them, that’s a crow that is. If you see a crow and there’s lots of them, that’s a raven, that is”.
Simple!
“If you see a raven, and there’s only one of them, that’s a crow that is. If you see a crow and there’s lots of them, that’s a raven, that is”.
Simple!