
1) Animals that use echolocation
Found on
https://www.crosswordclues.com/clue/aerodramus

Aerodramus is a genus of small, dark, cave-nesting birds in the Collocaliini tribe of the swift family. Its members are confined to tropical and subtropical regions in southern Asia, Oceania and northeastern Australia. Many of its members were formerly classified in Collocalia, but were first placed in a separate genus by American ornithologist Ha...
Found on
http://en.wikipedia.org/wiki/Aerodramus
No exact match found.