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The Black Terror #24 (Sept. 1948) published by Standard
© the current copyright holders
Story: Jerry Robinson; Art: Mort Meskin
Echolocation in dolphins and bats evolved separately, but through the same genetic changes.
Ref.: Convergent sequence evolution between echolocating bats and dolphins. 2010. Y. Liu, et al. Current Biology 20: R53-R54, 26.