A species of endangered butterfly is on the road to recovery from near extinction. Learn about the unique program that came to its rescue.<br /><br />Butterflies have been flying around our planet for more than 50 million years, and today around 20,000 different species inhabit the globe. <br /><br />"Sex, Lies and Butterflies" follows their lives from egg to caterpillar to chrysalis to the emergence of the full-blown, winged creature.<br /><br />Explore their astonishing survival techniques, including 360° vision, deceptive camouflage, chemical weaponry and fantastic flight.<br /><br />Through sophisticated macro-filming, look beyond the butterflies' bright colors and fragile beauty to follow them on one of the greatest migrations on earth.<br /><br />Subscribe: https://bit.ly/2pQIjpo<br />#PBSNature #NaturePBS
