Joining the Home Herd: Introducing Wild Horses to the Domestic Herd

Coming “Home” for Trey and Divine wasn’t as simple as traveling to a new place in Reno, Nevada. Home also meant joining the Home Herd. I had three other horses that they would be joining in Washoe Valley where all three were being boarded in large pastures at the base of the mountains. I had two mares, Mocha and Lumina, and a warmblood gelding named Silver. 

My two mares were in a large pasture on their own in anticipation of adding Trey and Divine with them. The thinking was that Trey and Divine would get the benefit of two “mothering” mares that could continue their development. By this, I mean development as horses. 

Remember, they were removed from their mothers and herd at one to two months old. They were then placed in a temporary auction facility that did not mirror any of the dynamics typical to horses. Once adopted, they were moved to a loving facility and then training ranch where the focus was on trusting humans and learning to communicate/engage with humans. They had not yet learned how horses behave together and the social structures/norms between a horse with other horses. I felt this was a critical part of development for them to be truly happy, well rounded and whole. 

If you’ve never seen a new horse be introduced to an existing group of horses (even when the group is two horses), let me tell you, it is fascinating! The existing group has already determined the social roles amongst themselves. When a new horse (or horses) is introduced, the hierarchy is up for discussion! My two mares, Mocha and Lumina, had been together for years and had traveled across the country alongside each other. They knew each other well and were clear about their roles with one another. 

When Trey and Divine were released into the field with Mocha and Lumina, I thought it would be almost a non-event. Two babies joining two mature, confident, no drama mares. I envisioned two submissive foals (maybe even shy?) being taken in by two mothering mares. 

That is not how it went. 

To paint an accurate picture of what happened, I need to describe each of the horses. My two mares: Mocha is a filled out, solid quarter horse. Confident, not easy to scare, steady. Lumina is tall, stately and ½ thoroughbred and ½ quarter horse. She is sensitive, yet confident. Both Trey and Divine are still foals under one year old, which means they were naturally about one half the size of Mocha and Lumina. Divine was even smaller, given her Icelandic and Shetland pony DNA. Indeed, she was the smallest of them all.

Horses are curious, social creatures, especially when it’s about other horses. So, the moment Trey and Divine went into the (very big) field. They all gravitated towards one another to check each other out. The next thing I saw was my two mares running around, up in arms like their manes were on fire. I scan to find the babies and what do I see? I see Divine trying to assert herself as the dominant mare (i.e. the leader of the herd). A pint-sized foal, butt turned towards Mocha and Lumina (who are twice her size) getting ready to kick them into submission! Mocha and Lumina were up in arms about the audacity of the idea. 

Divine was not older, and she was not experienced in the way an older mare is, but she had something that mattered just as much in that season. She had a purpose. She had a bond. Her entire body was organized around one clear truth: “Trey is mine to protect. I’m supposed to protect us.”

Eventually, it settled down, no one was hurt and a negotiation was found. Mocha established herself as the mare in charge. In doing so, she gave them back their ability to be “kids” again. Mocha established herself as the one who would keep them safe and Divine was able to relinquish this role. Mocha and Lumina were then able to begin to help teach them both how to be horses and what is ok/not ok in a herd. It was time for them to build horse relationships and to learn the steady intelligence of a herd.

The Home Herd moved together from Washoe Valley to an amazing ranch in Gardnerville. The ranch was at the base of the mountains with wide open spaces where they were all together with many other horses, mares and geldings. The integration of geldings and mares in large groups, without artificial separation, is the closest configuration I could find to herd social structures in the wild. It was the most wonderful way for Trey and Divine to really learn the dynamics and fluidity among horses. And, it allowed their personalities to truly unfold.

Trey started to do something I had been waiting for without even naming it to myself. He began to be a foal again. As the days went on and the herd settled into a new normal, Trey’s posture softened. His curiosity had more room. He began to play, not only with Divine, but with the other horses in the ways young horses do when they feel safe enough to be awkward and bold and silly. He would test a boundary, jump back, then step forward again, learning the social dance instead of bracing for harm.

I watched him become friendly with a group of young geldings and thought, “There you are.” That kind of play is not a small thing. It is a marker. It meant that he was learning to bond with other horses. In joining a group of other young geldings, he was doing what he would have done in the wild where young males form small herds and develop together. He was exploring instead of only surviving. 

Divine never stopped being vigilant as her inherent nature is to be a leader. But, her vigilance changed shape. It was no longer sharp and constant, almost like she couldn’t take her eyes off anything. It became wizened and more strategic. She hung out with older mares and learned from them. Then, she would apply what she learned to Trey and the band of geldings he was hanging out with. If she thought one of the geldings that Trey was with was up to something he shouldn’t be, she would make her way over to that horse, turn around and let him know he was risking a sharp kick.

It was like watching a big sister keep her little brother’s friends in line! She only went as far as needed to make sure that her message landed. She was no longer living in panic. She was learning to do herd work.

This is the part I want readers to understand. Herds are not random groups of animals sharing a field. They are living systems with roles, relationships, and communication that is subtle unless you know how to see it. When we talk about wild horses, we have to talk about their social intelligence, not as a poetic idea, but as a biological reality. Their bonds are part of how they survive, and their social structure is part of how they stay regulated.

In Washoe Valley and Gardnerville, I watched Trey and Divine move from “rescued” into something closer to “integrated.” They weren’t back on the range, and I never pretended they were. But they were in places where their instincts could come online again, where their bodies could learn a new story without being forced into it.

When people ask me what recovery looks like, I think of those fields. I think of Mocha, steady as a metronome. I think of Lumina, present in the background of that season in the way herd horses often are, shaping the emotional climate more than we realize. I think of Silver, enormous and watchful. I think of Divine, tiny and fierce, backing up with her hindquarters like a warning sign. And I think of Trey, playful and curious, finally testing the world as if he believed he might belong in it.

I don’t call that dominance. I call it social structure. I call it rangeland intelligence. I call it a kind of healing that is only possible inside a relationship.

Next Post: The Crucible of Crisis: Horse Wildfire Evacuation Plan
Previous Post: Bridging the Language Divide: Wild Horse Training After Adoption