“Us rooks is maistly vegetarian apart frae the odd wirm or twa – unlike craws. An whut’s mair we huv the shaggy breeks.”
craw: crow, corvus c. corone.
“We rooks are mostly vegetarian apart from having the odd worm or two – unlike crows. And what is more we have the shaggy trousers.”
If you see a rook on its own it’s a craw, and if ye see a craw in a crowd it’s a rook.
Mostly crows are seen in pairs.