Aug 13, 2021Mapping on appaloosas - part 2While some appaloosa spots have mapping from dark skin, the majority of the edging effects on appaloosas are from mixing white and...
Jul 21, 2021Mapping on appaloosas - part 1The borders around appaloosa patterns are less uniform in width and placement than those on pinto patterns. This post gives a brief...
Jul 20, 2021Mapping on pintos - part 2This is the second in a series of photos with detail shots of mapping on pinto markings In the previous post, I mentioned that mapping...
Jul 16, 2021Mapping on pintos - part 1For those who attended the BreyerFest horse color seminar, here are examples of mapping on pintos. If you watched the seminar on...
Jul 15, 2021BreyerFest 2021This post gives an update on the new information site and links to new digital publications available for downloading. Over the years I...
Jul 5, 2021An overview of the sabino patternsThis post gives an overview of this complex group of patterns and gives a brief explanation of how they have been named. Perhaps no other...
Jul 4, 2021Terminology - the generic sabinoThe convention the author of this blog follows is to use "sabino" (lowercase with no number) as the generic term for those patterns...
Jul 3, 2021Terminology - it's all "white-spotting"This is not a more specific term than sabino, but rather a generic term for the absence of pigment cells. In genetics, mice are used as a...
Jul 3, 2021Terminology - Dominant WhiteRumors of the demise of this term are misleading. It's still widely used in the research community. The hunter mare pictured above...
Jan 3, 2020Artificial coloringThe use of henna to dye the legs of horses is traditional in some countries and disciplines. Recently some photos were shared on social...
Jan 2, 2020RecoloringWhite patterns leave areas of the coat without color, but these patterns appear to add the color back again to those areas. Notebooks are...
Dec 31, 2019A bit about explanatory modelsIn online settings, the most common explanatory model for talking about horse color is the base-plus-modifier concept. There are others...
Dec 30, 2019Citizen Science"Citizen science" is where members of the public participate in scientific research. It is how this blog came to be, and something it...
Jul 19, 2014The new full-color book is officially releasedThe second release in the Equine Tapestry series – An Introduction to Colors and Patterns – is now available. The blog has been quiet for...
Apr 12, 2014Reminder – deadline for W20 samplesThe 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...
Mar 28, 2014A teaser image from the bookSome close-up images of the reversed dapple pattern on a gold champagne Appaloosa mare, with comparisons to a sooty dapple palomino. I...
Mar 25, 2014The W20 ProjectA project to raise funds and collect samples is underway to better understand the W20 variant in the W-series of patterns. I mentioned in...
Mar 17, 2014"W" is for white-spottingOne way of looking at the inclusion of sabino phenotypes in the W-series is to assume that it refers to "white spotting" in general,...
Mar 14, 2014A family of diverse colorsTobiano, roan, sabino and dominant white are all mutations that involve the same gene - KIT - which is important for understanding how...
Mar 13, 2014So what happened to all the sabinos?What are the differences between dominant whites and sabinos? In terms of phenotype, they do not look different. As I mentioned in the...