One good thing about Winter is that the horses are not driven crazy by flies.
There are, of course, various methods for keeping flies at bay. There are sprays, dangly things, and total face-masks. Personally I favour the dangly things that hang from a band above the eyes. A quick shake of the head and the flies disperse.
However, flies apart, this isn't a good season for horses. It's cold, it's often wet, and there is very little grass. They tend to lose weight, and become grubby with all the mud. I often wonder which season they prefer; the heat and flies of Summer, or the fly-less cold and damp of winter. At the moment we buy cheap bags of Carrots for them.
Bok is quite good friends with these two above, they are on affectionate nose-touching terms. All in all (like us) they seem to be coping reasonably well with Winter.
p.s. Later in the day two escaped, and I had to round them up and attempt (badly) to repair fences. I'm not over-keen on horses. When I was small, my sister's horse held a grudge against me, and I've been a bit wary ever since. Never a dull moment, eh?