Otidea onotica, commonly known as hare's ear, is a species of apothecial fungus belonging to the family Pyronemataceae. This is a European species occurring singly or in small groups on soil in woodland, most often with beech trees. The fruiting body appears from spring to early autumn as a deep cup split down one side and elongated at the other side up to 10 cm in height. The colour is yellow with a pinkish tinge.