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ELI5: Why don’t the dorsal fins of captive killer whales stay up? : explainlikeimfive

adminNov 3, 2013

And why do the fins of female killer whales and dolphins stay up? It seems to only happen to male killer whales (with the huge fin).

via ELI5: Why don't the dorsal fins of captive killer whales stay up? : explainlikeimfive.