The World Wild Life Fund started in 1961. Its Headquarters is at Gland(Switzerland).It's aim is to protect animals,birds,plants which are in rare position and going to be extinct.Preserve nature and eco-system where those en-dangered animals are living..It's logo is the picture of a white & black panda.This organisation is the biggest of animals organisation except government organisations.Now its President is Mr.Ameka Anovoku from Nigeria and Director general Mr. James Leep from America. 

It's a book which have data regarding En-dangered Animals