Mudgala

Chapters 258-260 of Aranya Parva describe the meeting of Pandavas and sage Vyasa in the forest (above).
http://www.wikiwand.com/en/Vana_Parva

The sage tells the story of Mudgala, who after his death, refuses to go to heaven, prefers the path of knowledge instead. The swans carrying Mudgala (below) signify his moksha.

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