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This is the list of scientific errors in this documentary.

The Evolution Winners[]

  1. Inostrancevia lack teeth covering organs and has green coloration too. Name one mammal that is actually green. No predator like Inostrancevia would have such bright coloration to hide.
  2. Ischigualastia's model is based on Placerias, a leftover from when it was set to be used, but was used as Ischigualastia due to time constraints. Thus, it didn't have tusks.
  3. Probelesodon was more than likely to have been omnivorous as its relatives were likely omnivorous. It wasn't also found in the Ischigualasto formation, a replacement would be Chiniquodon.
  4. Saurosuchus couldn't bound like how it was depicted in the series.
  5. Eoraptor could have been omnivorous.
  6. Eoraptor could have also been more feathery like other small theropod dinosaurs. However, this is debated.
  7. Gigantoraptor was too big to jump.
  8. Gigantoraptor was discovered in the Iren Dabasu Formation in China. Thus it was not native to Mongolia.
  9. Tylosaurus, along with other mosasaurs, would have possessed a tail fluke.
  10. Varanoids did not live in Antarctica 194 million years ago. Arcanosaurus, one of the oldest varanoids is 125 million years old.
  11. The color scheme of Squalicorax (listed here as Squalicorax because the director says it is that genus, despite what the website says) is unrealistic.

The Watering Hole[]

  1. Dinheirosaurus may represent a species of Supersaurus.
  2. Ornitholestes had feathers and its teeth were covered by lips. It would have also had a sickle claw on each of its second toes, similar to a dromaeosaurid. Also, its second toes would have been retractable, due to its classification as a maniraptoromorph, thus making it a true maniraptoran.
  3. Ornitholestes was not found in Europe, and was endemic to North America.
  4. Rhamphorhynchus probably didn't drill holes into trees to hunt insects like Cenozoic woodpeckers, this may just be a speculation.
  5. The model of Miragaia is anatomically incorrect. It should have a longer neck, shorter plates, and spikes running down from the base of the tail to the tip.
  6. Allosaurus and Torvosaurus could have had lips covering its teeth as recent studies showed.

Survival Tactics[]

  1. Castorocauda was a docodont, not a mammal. Docodonts are still part of Mammaliaformes, though.
  2. The real Guanlong was covered with proto-feathers.
  3. Mamenchisaurus, like other sauropods, was unlikely to be a good swimmer. The theory that sauropods spent their time in water has been debunked.
  4. Sinraptor never lived alongside Shunosaurus. A better candidate would've been Gasosaurus, Szechuanosaurus, or Yangchuanosaurus.
  5. The real Rahonavis was a jeholornithid, not a dromaeosaurid as how the program depicted it.
  6. Rahonavis could have or could have not flown, but no one knows for sure.
  7. Rahonavis might have or might have not had the ability to vocalize or mimic anything it heard, but this is a speculation.
  8. It is believed that the true Protoceratops had Psittacosaurus-like quills.

The End Game[]

  1. The two juvenile T. rex didn't have feathers, unlike the last juvenile T.rex, which still has feathers, but this may have been an episode's programming mistake.
  2. Tyrannosaurus's teeth in reality were actually most likely covered by lips.
  3. Tyrannosaurus did not roar but instead made sounds with its mouth shut, much like alligators and bitterns, but this was not known at the time of production.
  4. The validity of the genus Troodon has been called into question recently, as the type specimen of the genus is a small amount of teeth, which are not diagnostic to the genus level in dinosaurs. The show's version is most likely Pectinodon. However, Troodon has been considered dubious in 2017, 6 years after the show's release. It was moved into the new genus Latenivenatrix and Stenonychosaurus. The latter was once thought to be a synonym of Troodon but is now considered a valid genus.
  5. Triceratops probably had Psittacosaurus-like quills on its tail, but this is speculation.
  6. New theories suggest that male T. rexes may have raised the young.
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