Fossil analysis of the ancient whale Perucetus colossus, which lived along Peru's coast more than 37 million years ago, indicated it may have weighed more than 300 tons and measured about 60 feet long.
Sources
- The 11 most astonishing scientific discoveries of 2023 (nationalgeographic.com)
- https://www.nbcnews.com/news/world/heaviest-animal-ever-whale-peru-desert-rcna97912 (nbcnews.com)
- https://www.foxnews.com/science/worlds-heaviest-animal-may-ancient-whale-found-peruvian-desert-scientists-say.amp (foxnews.com)
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