Walnut was born on June 3, 1995, at the start of what would become an unusually hot summer, on an island called Rum (pronounced room), the largest of the Small Isles off the west coast of Scotland. We know this because, since 1974, researchers have diligently recorded the births of red deer like her and caught, weighed, and marked every calf they could get their hands on — about 9 out of every 10.
