Dolphin moms pass skills on to daughters; males do their own thing
(NEWSER) - Beside humans, few other animals use tools to get their everyday chores done. Even fewer of them are marine mammals, so researchers in Australia were surprised to catch bottlenose dolphins employing conical sponges to dig in the seafloor. Mostly female dolphins use the snout-protectors, and only if their mothers showed them how, reports the Wall Street Journal. More»
