What is a "serotine"?

The serotine bat, scientifically known as Eptesicus serotinus, is a medium-sized bat species that belongs to the family Vespertilionidae. It is found in various regions of Europe, Asia, and Africa, inhabiting a wide range of habitats such as woodlands, forests, and urban areas. The serotine bat is known for its distinctive appearance, with long ears, dark fur, and a broad, blunt snout. It feeds primarily on insects, using echolocation to locate its prey, and roosts in a variety of places, including tree hollows, buildings, and caves. The serotine bat is an important species in ecosystem dynamics, as it helps to control insect populations and serves as a prey item for other predators.