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. 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. Plants & Animals Ecology Phys.org – latest science and technology news stories
Unraveling the mystery of rarely seen blue whale calves
