T. rex walking speed

Episode 461: Four new theropods including abelisaurids and a deinocheirid! A pair of abelisaurids from the latest Cretaceous of Morocco, a new deinocheirid from Early Cretaceous Japan, and a long-legged possibly flightless bird from Jurassic of ChinaFor links to every news story, all of the details we shared about Aletopelta, and our fun fact check out https://iknowdino.com/Aletopelta-Episode-461/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Aletopelta, an ankylosaur with a pair of spikes sticking straight up from its shoulders that was found in San Diego County, California.In dinosaur news this week:A new Early Cretaceous deinocheirid from Japan, Tyrannomimus fukuiensis, helps fill in the very early evolution of dinosaurs that eventually led to DeinocheirusPaleontologists found two new abelisaurids in Morocco—helping to fill in details of the mostly unknown latest Cretaceous of AfricaThere’s a new early bird-like dinosaur (an anchiornithid avialan) with "bizarre" long legs This episode is sponsored by Zoic Zoo, a tabletop game unlike any other. Build your own zoo filled with your favorite prehistoric creatures (and animals you've probably never heard of that will soon be your favorites). Make the perfect habitats for the animals and entice visitors to the park. Get your copy of Zoic Zoo at bit.ly/zoiczooSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

27 Sep 202347min

Episode 460: Were dinosaurs smarter than mammals? New research into early dinosaur social skills suggest they were (at least at one point in history). Plus: The first good evidence of sexual dimorphism in dinosaurs; and Maz Maddox joins to discuss her RELIC series, about humans who can shape shift into dinosaurs.For links to every news story, all of the details we shared about Wannanosaurus, links from Maz Maddox, and our fun fact check out https://iknowdino.com/Wannanosaurus-Episode-460/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Wannanosaurus, a pachycephalosaur that is smaller than Micropachycephalosaurus, although the holotype may be a juvenile.Interview with Maz Maddox, a fellow dinosaur enthusiast and author of the RELIC series, about humans who can shape shift into dinosaurs.In dinosaur news this week:Dinosaurs learned an advanced social skill called visual perspective taking at least 60 million years before mammalsAnother group of researchers found sexual dimorphism in dinosaurs, but this time they used more than just size or ornamentation. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

21 Sep 20231h 3min

Episode 459: Beyond Bones: Breathing, Tendons, and Lips. New evidence of lips on T. rex, sauropod air sacs, blood vessels in Edmontosaurus, and more dinosaur soft tissues.For links to every news story, all of the details we shared about Titanosaurus, and our fun fact check out https://iknowdino.com/Titanosaurus-Episode-459/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Titanosaurus, a dubious titanosaurian sauropod that lived in the Late Cretaceous.In dinosaur news this week:Air sacs were invading sauropod bones in multiple ways in the Triassic—earlier than previously thoughtA new method to determine if scars on bones are from tendon attachments or air sac contactOssified tendons aren't all completely ossified, some of them still have soft tissue in themSoft tissue plays a very important role in how animals breathe, smell, regulate their body temperature, communicate, and moreSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

13 Sep 202351min

Episode 458: Beyond Bones: Feathers. Plus a mammal found fossilized on top of (and likely fighting) a PsittacosaurusFor links to every news story, all of the details we shared about Caudipteryx, and our fun fact check out https://iknowdino.com/Caudipteryx-Episode-458/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Caudipteryx, A peacock sized oviraptorosaur known for its tail fan of feathers and flightless-bird-like body.In dinosaur news this week:A new recreation of the color on Wulong's impressive feathersBeetles found in amber munching on cretaceous dinosaur feathers2004 paper about the first ever parasitic louse found in the fossil record (which was eating dinosaur feathers)Most (maybe all) modern birds molt at least once a year, but Mesozoic dinosaurs may have molted less frequently See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

7 Sep 202357min

Episode 457: Beyond Bones: Dinosaur Soft Tissues. Dinosaur bones are some of the most famous fossils. But dinosaur skin, feathers, blood vessels, tendons, and even organs have been found in the fossil record.For links to every news story, all of the details we shared about Chilesaurus, and our fun fact check out https://iknowdino.com/Chilesaurus-Episode-457/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Chilesaurus, A Late Jurassic dinosaur whose origin is a mystery because it has a combination of features from theropods, ornithischians, and sauropodomorphs.Dinosaur bones are some of the most famous fossils. But dinosaur skin, feathers, blood vessels, tendons, and even organs have been found in the fossil record.A couple recent papers describe how and where soft tissue preserves:Researchers found the most common chemical mechanisms for soft tissue preservationMinerals in the Burgess Shale contributed to some of the best soft tissue preservation found anywhere in the world This episode is brought to you by Exquisite Eons. They have new Triceratops, Stegosaurus, and Ankylosaurus bronze figurines available for pre-order! Get a discount by ordering the full set for a limited time at https://exquisiteeons.com/See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

1 Sep 202356min

Episode 456: The oldest diplodocoid and a new Egyptian titanosaur. Tharosaurus, a dicraeosaurid like Amargasaurus, is the oldest diplodocoid ever found; The new titanosaur, Igai, was described from Egypt; and we explore how cabinets of curiosity were the original natural history museumsFor links to every news story, all of the details we shared about Megapnosaurus, and our fun fact check out https://iknowdino.com/Megapnosaurus-Episode-456/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Megapnosaurus, a close relative of Coelophysis that was called Syntarsus until beetle scientists renamed it "big dead lizard" after noticing the name Syntarsus was already used for a beetle.In dinosaur news this week:There’s a new titanosaur, Igai semkhuThere’s a new dicraeosaurid sauropod, Tharosaurus indicusThe Ubirajara fossil was officially returned to Brazil in JuneGavin Leng, a fossil hunter known for discoveries such as Eotyrannus, recently passed awayIf you’re in London, check out the Brick Dinos exhibit at the Horniman Museum & Gardens This episode is brought to you by Exquisite Eons. They have new Triceratops, Stegosaurus, and Ankylosaurus bronze figurines available for pre-order! Get a discount by ordering the full set for a limited time at https://exquisiteeons.com/See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

23 Aug 202359min

Episode 455: The Fastest Dinosaurs. Plus two new dinosaurs: A new iguanodontian Oblitosaurus, the largest known ornithopod from the Late Jurassic in all of Europe; and Furcatoceratops, a close relative of Nasutoceratops.For links to every news story, all of the details we shared about Sinornithomimus, and our fun fact check out https://iknowdino.com/Sinornithomimus-Episode-455/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day Sinornithomimus, an ornithomimosaur that may have been one of the fastest dinosaurs in all of the Mesozoic.In dinosaur news this week:A new iguanodontian dinosaur, Oblitosaurus, whose name means "obsolete" or "forgotten" lizard; But its an important findThere’s a new ceratopsid, Furcatoceratops elucidans, a close relative of Nasutoceratops that was already 10ft long at only 2 to 3 years oldListener Question: What was the fastest dinosaur?See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

17 Aug 202354min

Episode 454: Tyrannosaurus with Pete Larson — remastered. We went back and remastered our first ever episode of I Know Dino so that the interview is a lot easier to hear and understand.For links to every news story, all of the details we shared about Tyrannosaurus, links from Pete Larson, and our fun fact check out https://iknowdino.com/Tyrannosaurus-remastered-Episode-454/Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.Dinosaur of the day TyrannosaurusInterview with Pete Larson, paleontologist and president of the Black Hills Institute in South Dakota. He led the excavation of the T. rex named Sue, the largest and most complete T. rex found at the time. Pete is a T. rex expert, and one of the main people in the documentary Dinosaur 13.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

11 Aug 20231h 4min