Leeches Suck Maddie’s Blood! Time-Lapse | Earth Unplugged HD

Warning, this film contains images of human blood. Humans have long had an unusual mutualistic relationship with leeches. Maddie puts herself forward to experience a leech suck for herself and we filmed this time-lapse! Subscribe to Earth Unplugged - http://www.youtube.com/subscription_center?add_user=earthunpluggedtv Check out the BBC Earth website http://www.bbc.com/earth Join the Earth Unplugged community: Facebook: http://www.facebook.com/EarthUnplugged Twitter: http://www.twitter.com/earthunplugged Want to share your views with the team? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register http://www.youtube.com/user/EarthUnpluggedTV http://www.youtube.com/subscription_center?add_user=earthunpluggedtv This is a channel from BBC Studios, trading as BBC Studios, who help fund new BBC programmes.