Aderyn y Corff: Aderyn y Corff is a ghostly, featherless bird from Welsh folklore known for portending death.

Aderyn y Corff - The bird's cry is believed to forewarn of an imminent death, making it a potent symbol of mortality within Welsh tradition.

Aderyn y Corff

Aderyn y Corff - The bird's cry is believed to forewarn of an imminent death, making it a potent symbol of mortality within Welsh tradition.

Aderyn y Corff is a ghostly, featherless bird from Welsh folklore known for portending death. It is said to chirp outside a soon-to-be deceased person's door with a cry that resembles 'dewch'. Living partly on an alternate plane of existence, it remains an enigmatic omen steeped in ancient tradition.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

An intriguing aspect of the Aderyn y Corff is its dual interpretation; while some modern accounts suggest it might be a misidentified screech owl, its traditional portrayal as a spectral death omen firmly establishes its place in Welsh folklore.

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Quick Creature Info

Associations:

Death omenCorpseMemento mori

Our Mythic Legendary Rating:

Mystical Awakening
Mystical Awakening rating

Also Sometimes Known As:

Aderyn corffDeryn corffAderyn y Corph

Habitat:

Other Plane of ExistenceEthereal planeEtherealOtherworldWalesHeralds death by chirping at thresholds and inhabits a non-physical realm when not manifestNear human dwellings, particularly where death is imminentOutside a soon-to-be deceased person's door; exists partly on an alternate ethereal planeWelsh countryside

Supernatural Powers:

Foretelling deathPortending imminent demise

Physical Attributes:

Lacks feathersLacks wingsEthereal, ghostly appearanceNo feathersNo wingsOtherworldly presence

Abilities:

Emits a cry resembling 'dewch' to signal impending deathManifests at the threshold between the physical and ethereal realmsSupernatural presenceOmniscient omen abilitiesTranscends conventional physical form

Behavior:

Mysterious and forebodingAppears to signal imminent death while remaining aloof and ethereal

Lore:

Harbinger of deathWelsh folkloreThe bird's cry is believed to forewarn of an imminent death, making it a potent symbol of mortality within Welsh tradition

Related Creatures, Tales or Lore

  • B
    Banshee (Irish folklore)
  • R
    Raven (Celtic and Norse mythology)
  • B
    Black Crow (various cultural death omens)

References

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Curated by the Mythological Creatures Team

Series editor: Mythological Creatures Directory

Primary desk: Northern & European Folklore Desk

(rev. November 2025)