Asio Otus, commonly known as the long-eared owl, is a species of owl found in various parts of the world. While the scientific name for this bird is relatively fixed, there are several synonyms used to refer to it. Some of the commonly used synonyms include the northern long-eared owl, the Indian long-eared owl, and the European long-eared owl. These synonyms are often used interchangeably in different regions of the world, depending on the local common names used to describe this bird. Whether referred to as Asio Otus or by one of its many synonyms, this distinctive bird is a fascinating sight to behold for bird enthusiasts.