The bleach spot on the hip of this horse is the type of marking that often raises questions about whether the individual is a chimera. It...

One of the questions that came up in response to the posts on late greying was whether this could explain reports of early greying. More...

It has been thirteen years since I made a series of posts about a group of late-greying horses. At the time, an unusual PRE...

An archived post from December 13, 2011 Back in July, I posted about an unusual grey Connemara stallion (Ponies don’t read). There I...

An archived post from July 5, 2011 Rules books, that is. I think if someone did a word cloud for the manuscript for the horse color book,...

If you do a web search on bloody shoulders, you will likely come across the claim that these markings are “concentrated areas of...

One of the things that jumps out about fleabitten greys is how red the speckles are. It was noticeable in the pictures of the Arabian...

I have always had one unbreakable rule for the blog: no photos without permission. Unless the copyright period has passed or the owner...

Grey horses with dense speckling are more likely to be heterozygous for grey. In the previous two posts, we looked at how the placement...

Even when greys are extensively fleabitten, some areas of the coat tend to have noticeably fewer spots. In the previous post, the grey...

Artists have a different way of looking at horse color than scientists, and that perspective can be useful. Twenty-two years ago, I did...

Not only do dapples echo the pattern of capillary clusters, but other vascular details are visible on dappled horses. In the previous...

When it comes to understanding dappling as a pattern of light and dark, the key is temperature. Darkly dappled greys like the Eriskay...

Dappling is an almost universally popular aspect of horse color. There are distinct types of dapples with different causes. For many of...