In Japan you sometimes come across a stone figure by the roadside that looks quite different from other Buddhas and bodhisattvas. It has a wrathful face and a small horse's head on its crown. For centuries, travelers, packhorse drivers and farmers stopped in front of these figures, and they didn't ask for enlightenment there. They asked for protection for their animals. This is Batō Kannon 馬頭観音, the form of Kannon that is especially connected with the animal world.
I find it fascinating that a spiritual tradition has its own bodhisattva form for animals. It shows that the bond between people and animals was anything but a side issue there.

Who is Batō Kannon? 馬頭観音
Batō 馬頭 means "horse head." Kannon 観音 is the bodhisattva of compassion, in Sanskrit Avalokiteśvara, the one who perceives the cries of the world. Batō Kannon goes back to the Sanskrit name Hayagrīva, which also means "horse neck" or "horse head."
What's special about Batō Kannon is that he is the only wrathful form among the forms of Kannon. That's why he's also counted among the Wisdom Kings (myōō 明王) and is sometimes called Batō Myōō. The wrath here isn't anger in the ordinary sense. It's the same force you find in Fudō Myōō, a compassion strong enough to break through obstacles. In the iconography this shows in the fierce face, often with three faces and several arms, and in the horse's head on top. One common interpretation compares him to a horse that eats grass: in the same way, Batō Kannon devours delusion.
In the system of the Six Kannon (roku Kannon 六観音), each form of Kannon is assigned to one of the six realms of existence, and Batō Kannon is the one for the realm of animals. Along the old trade routes and mountain passes of Japan you'll find many stone stelae with his name, often at places where horses collapsed and died. Farmers asked him for the well-being of their animals, and when an animal died, he was called upon to accompany its consciousness on its way. This is still done today.
Reiki for animals 動物靈氣
Giving Reiki to animals works a bit differently from giving Reiki to people. The energy isn't different, but the communication is. A person can tell you where it hurts. An animal shows you, if you pay attention.
The most important rule is so simple that it almost sounds banal. You watch what the animal wants, not what you want. The animal decides whether it wants to receive Reiki, how close you may come, and when it's enough. Animals notice right away when someone shows up with the attitude that something has to happen now. Then they walk away, get restless, or in the worst case bite. That isn't ingratitude, it's simply a boundary.
With wild animals, like an injured bird on the balcony or a hedgehog in the garden, you keep your distance. Reiki can also be given from a distance, so there's no need to touch a wild animal, and you shouldn't try. Bites, scratches and parasites are real risks. And when an animal is injured or ill, it needs a vet. Reiki can accompany veterinary care, but it doesn't replace it.
Batō Kannon in Shingon practice 実践
In Shingon, practice with a Buddha or bodhisattva always involves the three mysteries (sanmitsu 三密) of body, speech and mind, that is, mudra, mantra and contemplation. How this works with Batō Kannon, and how practice with Batō Kannon connects with Reiki for animals, belongs in practice with initiation rather than in a blog article.
What changes through this connection, in my experience, is above all perception. You start to notice more of what animals are expressing all the time, quietly and without words, and that is easily overlooked.
What Reiki for animals is not 注意
Reiki for animals isn't veterinary treatment, and it doesn't guarantee any particular outcome. It opens space for connection, finer perception and empathy, and what comes of that is different every time. Animal communication in this sense isn't a show either, along the lines of "I'll talk to your dog now and tell you what he's thinking." It's a quiet practice that happens when you stop wanting something and start perceiving.

Do you have an animal at home that shows you clearly when it wants Reiki and when it doesn't?
Note: The practices described here do not replace veterinary care and are not a medical treatment. Reiki is a spiritual practice. Individual experiences may vary.
Initiation into Batō Kannon
In Shingon Reiki there is an initiation into Batō Kannon. It belongs to the live event on medial communication. If you like, have a look at the upcoming live events.
See the live events Kokūzō Bosatsu