Traits

Overo is a white marking that spreads from the center of the body.
It usually appears on the side of the barrel and spreads outwards to the "edges" of the body.
Overo rarely affects the legs, and tends to spread on the side of the leg closest to the belly.
Overo causes irregular spreading of face markings, and can create bald face or badger face markings.
Overo should have crisp edges, which may be smooth or jagged.

Genotype: O_
Locus:  Not shared with any known genes

  • Coat: Overo is a white marking.
  • Mane and Tail: Mane will be white where marking touches. Overo cannot touch the tail.
  • Skin: Pink underneath marking.
  • Eyes: Can be blue, even if the marking does not touch them.
  • Hooves: Cream where marking touches.

Range:

  • Minimum: Overo can be hidden entirely.
  • Maximum: Irregular white that spreads out from the belly. White markings should not touch the topline or "cross" the center of the horse anywhere but the belly.

Interactions:

  • Tobiano: When Tobiano and Overo are both present, the resulting pattern is sometimes called "Tovero."
  • Lethal White: Homozygous Overo (OO) and/or the combination of Overo and Ossuary (nO nOs) result in a fatal condition known as 'Lethal White Syndrome.'  If a breeding results in a foal with OO or nO nOs, that foal cannot be born. Slots and items will still be consumed, so plan your breedings with care!

Notable Variations:

  • Badger Face: A distinctive marking that resembles a "reverse blaze" with the base coat showing on the front of the face and white on either side.
Example art by neb!
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