Ireland and Scotland are often credited as the cradles of red hair. With about 10% of Ireland's population and 6% of Scotland's sporting the striking shade, it's easy to see why the stereotype exists.

READ MORE: Scotland's 'most haunted roads' where drivers ... "She was very pale, fair skin and red hair, in her late 30s or ...

Results from Scotland's Red Squirrels 2017 survey show that their ... When a squirrel visits a feeder box, a sticky tab collects some of its hair, which can then be identified under a microscope.