Question

why bats can fly at night easily and catch there prey

Answer 1

Other mammals like flying squirrels, or flying possum, can glide but not fly. Bats are nocturnal – they are active during the night, dusk, or dawn. Most use echolocation to catch prey and to findtheir way about. As nighttime animals, bats avoid direct competition with birds, few of which are nocturnal.

Answer 2

because they were easily see everything at night compare to other  due to more rods than cones