Troides helena, commonly known as the Common Birdwing

 Troides helena, commonly known as the Common Birdwing, is a species of butterfly in the family Papilionidae. Here are some key facts:

1. Appearance : Large, striking butterflies with black wings featuring yellow or orange markings.

2. Distribution : Found in Southeast Asia, including countries like India, Indonesia, and Malaysia.

3. Habitat : Inhabit tropical forests and woodlands.

4. Diet : Caterpillars feed on Aristolochia plants, while adults feed on nectar.

5. Conservation : Some subspecies are protected due to habitat loss and collection.