Troides helena common in many of the localities in which it occurs, was classified as vulnerable in 1985. Helen in Greek mythology Helen was the daughter of Zeus. Cerberus or Kerberos, in Greek and Roman mythology, is a multi-headed hound which guards the gates of the Underworld. This species is protected under Wild Animals Protection Ordinance Cap 170 in Hong Kong. The common birdwing is protected in Indonesia and may also require protection in peninsular Malaya also. It is listed in Appendix II of Convention on the International Trade in Endangered Species of Wild Flora and Fauna (CITES) as are all other
The Dog in the Manger The Dog in the Manger The story and metaphor of The Dog in the Manger derives from an old Greek fable which has been transmitted in several different versions. Interpreted variously over the centuries, the metaphor is now used to speak of one who spitefully prevents others from having something for which one has no use. Although the story was ascribed to Aesop's Fables in the 15th century, there is no ancient source that does so. The short form of the fable as cited by Laura Gibbs is: "There was a dog lying in a manger who did not eat