The is a 'Weeper'. It is heard groaning before a death, especially multiple deaths.

Its doleful sound is heard first at a distance, then nearer, then close at hand; so that it is a three-fold warning of death.

Pic:

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In the connection between
and the dead is explicit.

Gynn ap Nudd, the King of the Fairies, is also the King of the Dead.

Art: Hua Lu

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