https://www.post-gazette.com/news/science/2011/07/13/to-survive-ice-ages-gray-whales-adapted/stories/201107130235
Like those of its cousins the humpback and the blue, the population of the California gray whale was severely depleted by the whaling
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https://www.fox13now.com/the-place/you-can-learn-about-the-mysteries-of-the-ice-ages-right-here-in-utah
"Mysteries of the Ice Ages" opens at the Natural History Museum of Utah on Saturday, June 7, for a limited time
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