UM-Bot Posted September 13, 2020 #1 Share Posted September 13, 2020 New research has suggested that you might actually stand a chance of escaping a rampaging T. rex. https://www.unexplained-mysteries.com/news/339506/can-a-human-outrun-a-tyrannosaurus-rex 3 5 1 Link to comment Share on other sites More sharing options...
acute Posted September 13, 2020 #2 Share Posted September 13, 2020 If cavemen couldn't out-run a T.Rex, we wouldn't be here! 2 Link to comment Share on other sites More sharing options...
jethrofloyd Posted September 13, 2020 #3 Share Posted September 13, 2020 Judging by Jurassic Park movies......yes we can. 5 Link to comment Share on other sites More sharing options...
Still Waters Posted September 13, 2020 #4 Share Posted September 13, 2020 I wouldn't like to have put it to the test! 2 6 Link to comment Share on other sites More sharing options...
SHaYap Posted September 13, 2020 #5 Share Posted September 13, 2020 Sure... Here... Hold my beer... ~ 5 Link to comment Share on other sites More sharing options...
XenoFish Posted September 13, 2020 #6 Share Posted September 13, 2020 Out run, doubtful. Out maneuver, probably. 1 Link to comment Share on other sites More sharing options...
Humbled Hypocrite83 Posted September 13, 2020 #7 Share Posted September 13, 2020 1 hour ago, acute said: If cavemen couldn't out-run a T.Rex, we wouldn't be here! Out smart is a different thing 1 Link to comment Share on other sites More sharing options...
Wepwawet Posted September 13, 2020 #8 Share Posted September 13, 2020 (edited) This dispute will rumble on forever I think. However, something to think about is why the main prey of a T. rex, the hadrosaurs, Edmontosaurus in particular, are estimated to have a top running speed of about 35 MPH. I'm not suggesting that T. rex could match that speed, but may have been capable of short burts from ambush of up to about 25 MPH. So if you're Bolt you could keep in front of a T. rex, but only if T.rex tired before you did, and despite it's weight, with that avian respiratory system I would not be surprised if a short burst of top speed from T. rex lasted longer than ours. Another factor is age. All these guesses at T. rex top speed are made using data for a fully grown adult. They become fully grown at 18, like us, and so far the oldest known specimen is about 28. This indicates that the majority of any given population of T. rex would comprise of juveniles. These juveniles would need to hunt and eat because the adults would not be looking after them for 18 years, how long is anybodies guess. They began their main growth spurt in their early teens, again just like us. A T. rex at the start of this growth spurt would be a very lithe animal, and probably very fast, almost certainly capable of more than 25 MPH. I suspect that hadrosaurs needed to run so fast not to escape an adult T. rex, but a pack of speedy juveniles, and it would need a pack, as on the verge of their growth spurt a T.rex will be half the mass of an adult Edmontosaurus, and it may take more than one juvenile T. rex to bring down a juvenile Edmontosuarus of their own weight. A juvenile T. rex does not have the huge size of head, and jaws, proportionate to it's body that an adult does, it's more like a giant "raptor". The need to evade tyranosaurs, of any type at any period, may, I think, have been the evolutionarry impulse that increased the size of hadrosaurs brains by 100% from their beginnings to their extinction. This brain size increase matches an increase in the size of tyranosaur brains. Edited September 13, 2020 by Wepwawet Added info 1 Link to comment Share on other sites More sharing options...
Nnicolette Posted September 13, 2020 #9 Share Posted September 13, 2020 Yes I pride myself in being able to outrun dead animals too. Thank you for the "new research" guys. 1 6 1 Link to comment Share on other sites More sharing options...
Abramelin Posted September 13, 2020 #10 Share Posted September 13, 2020 3 hours ago, acute said: If cavemen couldn't out-run a T.Rex, we wouldn't be here! They didn't have to. 3 Link to comment Share on other sites More sharing options...
acute Posted September 13, 2020 #11 Share Posted September 13, 2020 1 hour ago, Abramelin said: They didn't have to. That's obvious, really, because the big dinosaurs couldn't fit in the caves. 1 3 Link to comment Share on other sites More sharing options...
jethrofloyd Posted September 13, 2020 #12 Share Posted September 13, 2020 16 minutes ago, acute said: because the big dinosaurs couldn't fit in the caves. Dinosaur footprints on a cave ceiling https://scienceblog.com/516341/dinosaur-footprints-on-a-cave-ceiling/ 2 4 Link to comment Share on other sites More sharing options...
Jaded1 Posted September 13, 2020 #13 Share Posted September 13, 2020 Since when is 13 miles per hour "slightly exceeding the top speed of a human runner"??? Eliud Kipchoge can keep a 13 miles per hour pace up for a whole marathon! Usain Bolt's top speed is apparently 27.8 miles per hour https://theconversation.com/the-maths-behind-the-fastest-person-on-earth-and-no-its-not-usain-bolt-63732#:~:text=Despite this%2C the fastest human,44.64kph or 27.8mph. 2 1 Link to comment Share on other sites More sharing options...
Princess Serenity Posted September 13, 2020 #14 Share Posted September 13, 2020 Apparently I can in my dreams. lol 3 Link to comment Share on other sites More sharing options...
Big Jim Posted September 13, 2020 #15 Share Posted September 13, 2020 This is the ultimate moot point. Link to comment Share on other sites More sharing options...
Bed of chaos Posted September 13, 2020 #16 Share Posted September 13, 2020 Ever play (video game) Dino Crisis? Yes, it's possible. 3 Link to comment Share on other sites More sharing options...
XenoFish Posted September 13, 2020 #17 Share Posted September 13, 2020 1 7 Link to comment Share on other sites More sharing options...
Jon the frog Posted September 13, 2020 #18 Share Posted September 13, 2020 7 hours ago, XenoFish said: Out run, doubtful. Out maneuver, probably. The T-rex would not be bothered by twigs, exposed roots and would catch most of us while we s**t ourselves, lol Link to comment Share on other sites More sharing options...
XenoFish Posted September 13, 2020 #19 Share Posted September 13, 2020 33 minutes ago, Jon the frog said: The T-rex would not be bothered by twigs, exposed roots and would catch most of us while we s**t ourselves, lol I've got plot armor so I'll be fine. 1 Link to comment Share on other sites More sharing options...
Glacknor Posted September 14, 2020 #20 Share Posted September 14, 2020 4 hours ago, XenoFish said: Well, there we have it then.... T-rex clearly has an issue with stable line of sight due to bobbly-head syndrome (possibly brought on by attending too many, uh, T-rex concerts in their youth?). We'll be fine. 2 Link to comment Share on other sites More sharing options...
+DanL Posted September 14, 2020 #21 Share Posted September 14, 2020 I doubt that the mature T-Rex ever ran. they didn't need to. they had a great sense of smell and would do much as the male lion does if it doesn't have a bunch of lionesses hunting for it. Let something else make the kill or find an injured or dying animal then walk up and take it away. They might not have been fast but there were probably not any other predators that could stand up to it when it was taking what it wanted. When leopards or cheetah make a kill they have to either eat fast or in the case of the leopard get it up into a tree or they will lose it. The adult T-Rex was probably more of a scavenger than a predator. Link to comment Share on other sites More sharing options...
Abramelin Posted September 14, 2020 #22 Share Posted September 14, 2020 17 hours ago, jethrofloyd said: Dinosaur footprints on a cave ceiling https://scienceblog.com/516341/dinosaur-footprints-on-a-cave-ceiling/ Dino-gekko?? 2 Link to comment Share on other sites More sharing options...
Taun Posted September 14, 2020 #23 Share Posted September 14, 2020 You don't have to outrun T Rex... You only have to out run the slowest person in your group. 1 4 Link to comment Share on other sites More sharing options...
Carnoferox Posted September 14, 2020 #24 Share Posted September 14, 2020 I think the bot is broken, this paper came out in 2002. I don't know about you, but I don't consider an 18 year old paper "new research". There have been multiple studies since then that have suggested varying other speeds for T. rex. https://www.researchgate.net/publication/11486275_Tyrannosaurus_was_not_a_fast_runner 1 Link to comment Share on other sites More sharing options...
Carnoferox Posted September 14, 2020 #25 Share Posted September 14, 2020 21 hours ago, DanL said: I doubt that the mature T-Rex ever ran. they didn't need to. they had a great sense of smell and would do much as the male lion does if it doesn't have a bunch of lionesses hunting for it. Let something else make the kill or find an injured or dying animal then walk up and take it away. They might not have been fast but there were probably not any other predators that could stand up to it when it was taking what it wanted. When leopards or cheetah make a kill they have to either eat fast or in the case of the leopard get it up into a tree or they will lose it. The adult T-Rex was probably more of a scavenger than a predator. We know T. rex actively hunted at least some of the time. There is an embedded T. rex tooth surrounded by healed bone in one specimen of a duckbill, indicating it survived an attack. There is also another duckbill specimen with healed T. rex bite marks and even a healed patch of skin. Obligate scavengers are incredibly rare among tetrapods and T. rex certainly wasn't one. https://www.pnas.org/content/110/31/12560 https://www.researchgate.net/profile/Robert_Depalma/publication/257047930_Skin_pathology_in_the_Cretaceous_Evidence_for_probable_failed_predation_in_a_dinosaur/links/5c63a3bd299bf1d14cc205cc/Skin-pathology-in-the-Cretaceous-Evidence-for-probable-failed-predation-in-a-dinosaur.pdf 2 Link to comment Share on other sites More sharing options...
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