Butterflies have been flying around our planet for over 50 million years, and today around 20,000 different species inhabit the globe.

From egg to caterpillar to chrysalis to the winged insect, we follow their life stages, highlighting their survival techniques and the new science that is unlocking the secrets of their world and changing our view of these fantastic and yet fragile creatures.

'NATURE: Sex, Lies and Butterflies' follows their lives from egg to caterpillar to chrysalis to the emergence of the full-blown, winged creature.

Explore their astonishing survival techniques, including 360? vision, deceptive camouflage, chemical weaponry and fantastic flight.

Through sophisticated macro-filming, look beyond the butterflies' bright colors and fragile beauty to follow them on one of the greatest migrations on earth.

If you would like to win a copy of this intriguing new Blu-ray, just answer this easy question about butterflies: Like all insects, they have ___ jointed legs and ___ body parts, but what are those missing numbers?

Send us your answers and if you're correct you'll be in the running to win one of these new Blu-rays! Just send us an e:mail here before April 19th, 2021 with your answer and the subject title CONTEST: SEX LIES AND BUTTERFLIES BLU-RAYs to: exclusivemagazine@flash.net

Official PBS BLU-RAY Purchase Link