"Coo" is a Scottish word for "cow". Hairy Coos, Heilin' Cattle, Highland Cows Highland Cattle are the oldest registered breed in the world. Synonymous with Scotland, the hairy coo shares its notoriety with Nessie the Loch Ness Monster, the unicorn- Scotland’s national animal and the dreaded midge which is a wee sleekit gnat and the bane of every outdoor person’s life. The Heilin' Coo originated in the Highlands of Scotland and on the Western Isles. They are easily recognis