A horse grazing, with bird sounds
Harness and reins jingle and tinkle busily as horse walks, then slows and stops. No horse sounds
Horse walking slowly in mud with a strong whinny
Horse moving on hay in a stable.
Busy bridle and saddle/saddle bag movement. No horse sounds
Horse eating and chewing, with background stable ambience
Horse slow hesitant steps on hard surface, in stable