Weasel-riding-woodpecker picture prompts weighty Twitter debate

#WeaselPecker trends on Twitter as Photoshop fans have fun with apparently genuine image of weasel flying on bird's back through London parkIt's that age-old story: weasel meets bird, weasel falls in love with bird, weasel won't let bird go - even when it flies off.This extraordinary picture taken by amateur wildlife photographer Martin Le-May has caused some chin-scratching among ornithologists everywhere. Is it possible for a woodpecker to carry a weasel on its back? Continue reading...