Horse Color White Patterns - Appaloosa

Image from ICH Registry
A favorite by many due to their colorful coats and tenacious nature, the appaloosa has long been appreciated for being different.
White color patterns are not linked to the color of the horse, they are actually a pattern on top of the base coat. The appaloosa patterns are expressed through the Leopard Complex and can appear on both chestnut and black base coats.
Appaloosa
- Two or more patterns can occur in the same horse
- Varies a great deal in expression
Spotted Terminology
There are three different traits characteristic of the Appaloosa patterns.
- They can occur on solid coats with other leopard complex patterns
- They are not a reliable way to determine pattern
- Rarely are all three displayed together in the same animal
Mottled Skin

Image from Sun Ridge Ranch
- A minimal expression of the gene
- Small dots on skin around mucus membranes, on skin with pigment dots are pink or white, and on pink skin they are dark colored
White Sclera

Image from ishaps
- Sclera of the eye is commonly white
- Also called ‘walleyed’
Striped Hooves

Image from Equine Hoof
- Can occur with any color legs
Rat Tail

Image from Povo Host
Types of Appaloosas
Leopard

Image from Leopard Appaloosa
- Dalmatian spots
- White coat with dark spots all over body
- Spots can be concentrated on head and legs
Few Spot Leopard

Image from All Stallions Directory
- Maximum expression of Leopard complex
- Mostly white with a few colored spots usually on flank, elbow, neck and head
Frost

Image from Fine Horses for Sporting Purposes
- Can be mistaken for roan
- White hairs scattered along topline
Snowflake

Image from Blue Grass State APHC
- Can be mistaken for birdwatcher spots
- Colored horses have small spots of color randomly over body
- Spots can enlarge as horse ages
Varnish Roan

Image from Sunset Stable Sport Horses
- Not associated with classic roan pattern
- Born colored and grow lighter with age
- Not related to graying gene
- Horse retains some color over bony parts
Blanket

Image from Appaloosa Reining Horse Association
- Most common and well known
- White blanket over hindquarters
- Can have clean edges or be roaned
- Most have dark spots on blanket field
- Spots may move and change with each shedding
Snowcap

Image from Dreamer Horse Farm
- Similar to blanket except blanket field doesn’t have spots on it
- White area can extend across most of body
- Usually retain color on head, legs, flanks and elbows
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April 7th, 2008 at 4:01 am
I have a coming up one year old (technically a yearling) filly who was the product of an accidental breeding between a POA and a buckskin quarter horse. I never saw the dam, but this filly was a reddish color with white spotting/frosting throughout the body and a blanket on the rump. NOW…she is slicking out her winter coat and has a bluish coat of spotting over white, the mottled skin on her rectal vaginal area, striped hooves(now that i know to see a difference) the white sclera in her eye, and a rat tail/sparse mane. Do I have a weird one?
November 17th, 2008 at 8:01 pm
[...] from evelynbelgium Chestnut base with an appaloosa white pattern gene Piebald Pinto / [...]