horse on hydrogen close-up smiles, sticking out his ears. funny smile

animal antics background bay beautiful brown camera close closeup dentist domestic ears equestrian face farm farming freedom fun funny grazing green grimace grin gums herd hilarious his hole horse humor hydrogen joke laughter lip looking mammal mare meadow mockery mouth nature neighs pasture pet portrait poses rural smile smiles standing sticking summer tartar teeth thirst watering wild yawn