The Blue Jackal

The Blue Jackal is a story known throughout the Indian sub-continent.

Earliest reference
The earliest reference to the Blue Jackal can be found in Panchatantra, a collection of stories which depict animals in human situations (see anthropomorphism, Talking animals in fiction). In each of the stories every animal has a "personality" and each story ends in a moral.

The story
The story of the Blue Jackal known through oral transmission doesn't vary much from one part of India to another. Although the creature is know variously as Chadru, Neelaakanth or Neela Gidhar (literally, Blue Jackal).

The most common version is told like this: