You appear to be unaware of the greater than 150 species of bats that do not echolocate: the megachiroptera, which represent two subfamilies and 41 genera. Even one counterexample would disprove the theory that bats cannot fly without sonar. --[[User:Brossa|Brossa]] 21:15, 25 October 2008 (EDT) | You appear to be unaware of the greater than 150 species of bats that do not echolocate: the megachiroptera, which represent two subfamilies and 41 genera. Even one counterexample would disprove the theory that bats cannot fly without sonar. --[[User:Brossa|Brossa]] 21:15, 25 October 2008 (EDT) |