The Giant 'Duck' With Terrible Claws

Deinocheirus is often thought to just be a giant duck, however it is one of the most interesting theropods to have ever existed. Dating back to the Cretaceous, this biped ruled over the marshland with its massive size and terrible claws.

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Timestamps
0:00 Intro
0:13 Discover & Classification
1:15 Distribution and habitat
1:57 Size
2:32 Claw Function
3:45 Skull Function
4:25 Neural Spine
5:00 Feathering
5:46 Diet
6:53 Competition
7:51 Predators
9:26 Extinction
10:00 Conclusion

Sources

Lee, YN., Barsbold, R., Currie, P. et al. Resolving the long-standing enigmas of a giant ornithomimosaur Deinocheirus mirificus. Nature 515, 257–260 (2014). https://doi.org/10.1038/nature13874

Qin, Z., Liao, C. C., Benton, M. J., & Rayfield, E. J. (2023). Functional space analyses reveal the function and evolution of the most bizarre theropod manual unguals. Communications biology, 6(1), 181. https://doi.org/10.1038/s42003-023-04...

Rauhut, O. W. M., & Pol, D. (2019). Probable basal allosauroid from the early Middle Jurassic Cañadón Asfalto Formation of Argentina highlights phylogenetic uncertainty in tetanuran theropod dinosaurs. Scientific reports, 9(1), 18826. https://doi.org/10.1038/s41598-019-53...

Tsogtbaatar Chinzorig, Thomas Cullen, George Phillips, Richard Rolke, Lindsay E. Zanno Large-bodied ornithomimosaurs inhabited Appalachia during the Late Cretaceous of North America https://doi.org/10.1101/2022.03.25.48...

Xi Yao, Corwin Sullivan, Qingwei Tan, Xing Xu, New ornithomimosaurian (Dinosauria: Theropoda) pelvis from the Upper Cretaceous Erlian Formation of Nei Mongol, North China, Cretaceous Research, Volume 137, 2022, 105234, ISSN 0195-6671, https://doi.org/10.1016/j.cretres.202....

Senter, P.; Robins, J.H. (2010). "Hip heights of the gigantic theropod dinosaurs Deinocheirus mirificus and Therizinosaurus cheloniformis, and implications for museum mounting and paleoecology" Bulletin of the Gunma Museum of Natural History (14): 1–10

Loewen, M. A., Irmis, R. B., Sertich, J. J., Currie, P. J., & Sampson, S. D. (2013). Tyrant dinosaur evolution tracks the rise and fall of Late Cretaceous oceans. PloS one, 8(11), e79420. https://doi.org/10.1371/journal.pone....

#dinosaur #deinocheirus #tarbosaurus