Discover the fascinating world of the **Common Big-eared Bat** (*Idionycteris phyllotis*), a nocturnal creature known for its remarkable echolocation skills and large ears. Found in caves and hollow trees across the western U.S. and Mexico, these bats play a vital role in ecosystems by managing insect populations. Despite their importance and unique behaviors, they face threats that have led to their vulnerable status, prompting ongoing conservation efforts.