Discover the fascinating world of Humboldt's Big-eared Brown Bat (Idionycteris phyllotis), a nocturnal creature renowned for its unique echolocation abilities and leaf-gleaning feeding habits. Native to the western United States and parts of Mexico, this vulnerable species plays a vital role in maintaining ecosystem balance through insect control and pollination. Join us as we explore its habitat, physical characteristics, and conservation efforts to protect this remarkable bat.