Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size of the largest sauropods. Some of them might surprise you!
If you liked this video, check out more videos about natural history and paleontology on SciShow's sister channel, Eons: https://www.youtube.com/eons
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Tagged under: mammal,terrestrial,dinosaur,scishow,science,paleontology,land,fossil,limiting factor,size,diversity,live young,pregnancy,gestation,herbivore,climate,ecology,vegetation,sauropod,environment,skeletal system,endothermic,warm-blooded,hank green,education
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