An incredibly rare white stag has been caught on camera roaming the Scottish Highlands - by a stag do.<br /><br />The majestic stag, which belongs to the red deer species, is believed to be among just a tiny handful living in Britain - with only three sightings this century.<br /><br />The ancient Celts considered them to be messengers from the afterlife and wildlife spotters dream of seeing one in the flesh.<br /><br />But this rare sighting was caught on camera by a stag do on a yomp through Cairngorms National Park on January 7.