Unraveling the mystery of rarely seen blue whale calves

PHYSorg
Feb 21, 2025, 1:00 pm144 pts
Only two blue whale births have ever been recorded in human history, both decades ago. This remains an extraordinary mystery, given there used to be hundreds of thousands of blue whales before whaling started—even today, blue whales number around 10,000 to 25,000—and they give birth every two to three years.

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