Macrotus Californicus is a species of bat that is commonly referred to as the California long-eared bat. This bat can also be referred to as the western long-eared myotis, western long-eared bat, or the large-eared brown bat. The Macrotus Californicus is a small yet fascinating creature that makes its home in California and other western regions of North America. It is known for its long ears that are used to detect prey and navigate through the dark. No matter what it is called, the Macrotus Californicus is an important part of the ecosystem and plays a vital role in pollination and insect control.