A Wife & a Mistress | Battle of the Sexes | BBC Earth

Listen to the mating call of the male Pied Flycatcher as it lures two females into neighbouring nests, mates with them both. Follow the story of the two developing families. Contains images that some viewers may find distressing. From BBC wildlife show 'Battle of the Sexes in the Animal World'. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: http://www.youtube.com/bbcearth