One of the most prominent Beluga whale facts concerns the distinct, bulbous melon on its head. Used for echolocation, the soft and flexible blubber makes it possible for the animal to easily display a wide range of facial expressions https://t.co/kTAlK8N26O https://t.co/kRczFQwmQs
— Massimo (@Rainmaker1973) 2018年10月07日
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