Butterflies

Queen Alexandra's birdwing (Ornithoptera alexandrae) is a species of butterfly in the family Papilionidae. 

An excerpt from the article 14 facts about butterflies

It is the largest diurnal butterfly in the world, with a wingspan of up to 28 centimeters (10 inches).

The Queen Alexandra birdwing is an endemic species found in New Guinea. It is endangered by poachers and the price of a specimen on the black market can reach several thousand dollars.