Discover the intriguing world of the **Sanborn's Big-eared Bat** (*Idionycteris phyllotis*), a vulnerable species native to the western United States, including California and New Mexico. With its distinctive large ears and adept echolocation, this nocturnal creature plays a vital role in controlling insect populations and maintaining ecosystem balance. Learn more about its habitat, diet, reproduction, and the conservation efforts aimed at protecting this remarkable bat species.