The second release in the Equine Tapestry series – An Introduction to Colors and Patterns – is now available. The blog has been quiet for...

The deadline for submitting samples for the W20 Project is coming up, so send them soon if you want your horse included! I wanted to post...

Some close-up images of the reversed dapple pattern on a gold champagne Appaloosa mare, with comparisons to a sooty dapple palomino. I...

A project to raise funds and collect samples is underway to better understand the W20 variant in the W-series of patterns. I mentioned in...

One way of looking at the inclusion of sabino phenotypes in the W-series is to assume that it refers to "white spotting" in general,...

Tobiano, roan, sabino and dominant white are all mutations that involve the same gene - KIT - which is important for understanding how...

What are the differences between dominant whites and sabinos? In terms of phenotype, they do not look different. As I mentioned in the...

It is possible to construct a rational system for naming and describing pinto patterns. Here is an attempt given what is currently known....

There are separate but equivalent mutations that can produce visually similar colors. This can complicate terminology and testing. As I...

Changes in the field of genetics – from classical genetics to molecular genetics – have made horse color more complex. As an artist, I...

So what do albino dogs have to do with horse color? Certainly the fact that there are “cremello” Dobermans is interesting, but why is...

An experimental Pekingese breeding program from 1913 documented an extremely diluted color scientists referred to as a Cornaz albino. So...

No, I am not breeding "albino" Shih Tzus... or any other animals, for that matter From time to time I get responses from readers...

A discussion of the form of albinism found in Dobermans and why assuming Padula's Queen of Sheba is the founder is probably mistaken. In...

A different sort of diluted dog has been found by a Florida Shih Tzu rescue. She resembles the albino dogs described in literature. This...

This is a short explanation of the common factors that dilute coat color in dogs, to provide background for the subsequent posts about...

Early observations about the classic splashed white pattern (SW1) from Valto Klemola based on his study of the Finnhorse stallion...

An interesting - and seasonally relevant! - study from the British Medical Journal Earlier in the Christmas season, I posted a Bitstrips...

The silver dilution was mistakenly believed to have originated in the American Shetland Pony, but the mutation is much older. In the...

Color can tell a story about common ancestry, when that color arose as a one-time mutation. It is known that the two horses above share a...