Healthy Attraction | Battle of the Sexes in the Animal World | BBC Earth
11 years ago
Advertising resistance to disease is important for mating selection, some birds, like the Greater sage-grouse have incorporated this into their courting. Subscribe to BBC Earth: http://bit.ly/BBCEarthSubBBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/