Theropod dinosaurs, especially the megatheropods, were the most massive terrestrial predators in Earth's history. The biggest megatheropods, the carcharodontosaurids and tyrannosaurs, surpassed ten tonnes, making them predatory animals twice the size of African elephants. This video analyzes why theropod dinosaurs became the biggest land predators ever, diving into ecological factors and potential hypotheses including temperature, reproductive success, and predator-prey arms races.
SOURCES
Polar Bear: PNGImg
Giganotosaurus: Herschel-Hoffmeyer
Wallpaper: rmb8 [ Ссылка ]
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Rose, Peter J. (2007). "A new titanosauriform sauropod (Dinosauria: Saurischia) from the Early Cretaceous of central Texas and its phylogenetic relationships". Palaeontologia Electronica. 10 (2): 65pp. [published online]
Wedel, Matthew J.; Cifelli, Richard L.; Kent Sanders, R. (2000). "Sauroposeidon proteles, a new sauropod from the Early Cretaceous of Oklahoma" (PDF). Journal of Vertebrate Paleontology. 20 (1): 109–114. doi:10.1671/0272-4634(2000)020[0109:SPANSF]2.0.CO;2. S2CID 55987496
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