Southern right whales are having fewer calves: What this says about ocean health

Most people are lucky to simply get a glimpse of some fragment of a whale. A subtle puff of mist over the horizon, the curve of a dark smooth back sliding beneath the surface, or for the fortunate, the flash of a tail or the explosive splash of 40 tons of flesh pounding the surface of the water when they breach. The immense satisfaction experienced during these brief appearances is a testimony to the whales’ elusiveness, and the immense difficulty of studying them.

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