donkeys, nostrils, sniffing, rein, wire, fence, field, mouth opens, brown animals, friendly, horses, side, orifice, horse, emblem, equine, barrier, leather strip, fencing, symbol, donkey, passage, strap, connection, ligament, animal, military personnel, naris, mammal, force, nostril
Donkey nostrils sniffing through a wire fence in a field