Scientifically classified as Troides darsius, this black and yellow butterfly - the Sri Lanka Birdwing found only in Sri Lanka has just been named Sri Lanka’s national butterfly. Pic by Gehan de Silva ...

The goliath birdwing is the second largest butterfly in the world, with a wingspan of up to 28 cm. It's native to New Guinea and some nearby islands ...

Rothschild named the new species Queen Alexandra's birdwing, Ornithoptera alexandrae, in honour of Britain’s queen at the time. The specimen is now housed in the Museum’s Lepidoptera collection along ...