Cycnus
4. A son of Ares and Pyrene, was likewise killed by Heracles in single combat. (
Apollod. 2.5.11; Schol.
ad Pind. Ol. 11.19.)
At his death he was changed by his father Ares into a swan. (
Eustath. ad Hom. p. 254.)
The last two personages are often confounded with each other, on account of the resemblance existing between the stories about them. (Schol.
ad Pind. Ol. 2.147,
ad Aristoph. Ran. 963;
Hyg. Fab. 31;
Athen. 9.393.)