They shiver, like most things do.
There are no cold blooded horses...
no
I would think not, because horses are cold blooded only when they are dead. Living horses have warm blood. And carved wooden horses have no blood at all, neither warm nor cold.
Horses are warm blooded mammals.
the best cold weather horses are the ones with thick fur. If its a sort ride then any horse but Arabians
Arabians are hotblood horses, not coldblood's or warmblood's.
Either
warmblooded
The quarter horse is a warm-blood.
Arabians are hotblood horses, not coldblood's or warmblood's.
Next to another horse
They are fine in ether