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Blue whales are the largest animals to ever have lived on Earth But they are often hidden from human eyes deep beneath ocean waves. Find out their secrets and get all the facts about these majestic water mammals.

Blue whales are the largest animals to ever have lived on Earth But they are often hidden from human eyes deep beneath ocean waves. Find out their secrets and get all the facts about these majestic water mammals.

Las ballenas azules son los animales ma s grandes que jama s hayan vivido en la Tierra Pero no es fa cil verlas porque esta n escondidas en las profundidades del mar. Descubre fascinantes secretos y datos sobre estos majestuosos mami feros acua ticos.