+Bats are the only [flying mammals](/wiki/flying_mammals), gracefully navigating the night sky. These fascinating creatures use [echolocation](/wiki/echolocation), a natural sonar, to perceive their environment and hunt in darkness.
+## See also
+- [Mammals](/wiki/mammals)
+- [Flight](/wiki/flight)
+- [Nocturnal](/wiki/nocturnal)
... 1 more lines