Why Do River Dolphins Look… Like That?

Check out Manta Sleep here https://tinyurl.com/54xsxtt4 and make sure to use bizarrebeasts for 10% off your order! And then, take a nap! Why are there dolphins in rivers, and why do they look... like that? There are a handful of very similar-looking, but somehow unrelated river dolphins around the world. Where did they all come from, and what is it about living in rivers that causes dolphins to look so specific? Get your own river dolphin pin here: https://complexly.store/products/bb-a... Subscribe to the pin club here: https://complexly.store/products/biza... This month's pin is designed by Rachel Calderon Navarro. You can find out more about her and her work here: https://rachelcalderonnavarro.com/ You can cancel any time by emailing [email protected] Follow us on socials: Instagram:   / bizarrebeastsshow   Facebook:   / bizarrebeastsshow   Bluesky: https://bsky.app/profile/bizarrebeast... #BizarreBeasts #dolphin ----- Sources: https://www.riverdolphins.org/river-d... https://www.riverdolphins.org/river-d... https://www.fisheries.noaa.gov/specie... https://www.riverdolphins.org/river-d... https://us.whales.org/whales-dolphins... https://pmc.ncbi.nlm.nih.gov/articles... https://www.sciencedirect.com/science... https://animalia.bio/bolivian-river-d... https://animaldiversity.org/accounts/... https://marinemammalscience.org/scien... https://www.scribd.com/document/75182... https://pmc.ncbi.nlm.nih.gov/articles... https://www.sciencedirect.com/science... https://onlinelibrary.wiley.com/doi/1... https://pmc.ncbi.nlm.nih.gov/articles... https://pmc.ncbi.nlm.nih.gov/articles... https://onlinelibrary.wiley.com/doi/1... https://doi.org/10.1242/jeb.120501 https://books.google.com/books?hl=en&... https://royalsocietypublishing.org/do... https://www.sciencedirect.com/topics/... https://royalsocietypublishing.org/do... https://www.nationalgeographic.com/sc... https://animaldiversity.org/accounts/... https://us.whales.org/whales-dolphins... https://www.dolphins-world.com/tucuxi... https://animaldiversity.org/accounts/... https://link.springer.com/article/10.... https://www.nature.com/articles/s4146... https://animalia.bio/yangtze-finless-... https://www.riverdolphins.org/best-pr... https://royalsocietypublishing.org/do... ------ Images: https://docs.google.com/document/d/14...