Joschua Knüppe returns to discuss working on dinosaur documentaries, paleoart (from press releases to murals), and many more projects. Plus the new raptor, Kank australis, which may have been an active fisher.

For links to every news story, all of the details we shared about Oohkotokia, links from Joschua Knüppe, and our fun fact check out https://iknowdino.com/Oohkotokia-Episode-572/

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Dinosaur of the day Oohkotokia, an armored ankylosaur that lived alongside tyrannosaurs like Albertosaurus and Gorgosaurus.

Interview with Joschua Knüppe, a paleoartist, and host of Paleostream on Twitch. He was also the scientific advisor for Netflix’s The Dinosaurs, which came out earlier this year—and we talked to him in episode 403, about the graphic novel, Europasaurus: Life on Jurassic Islands

In dinosaur news this week:

• There’s a new unenlagiid dinosaur, Kank australis, that seems to have adaptations for fishing (and fossilized with fish)

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Lindsay Graham from History Daily explores the human side of two topics we often discuss on the show: extinction and volcanic eruptions.

• On June 3, 1844, after becoming collector’s items for being a rare species, the last pair of great auks is killed by fishermen.
• On August 26, 1883, a volcano explodes on the island of Krakatoa, sparking one of the deadlest natural disasters in history.

Go to HistoryDaily.com for more history, daily.

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Tyrannosaurus hatchlings; Tyrannosaurus took 40 years to reach full size; Some dinosaurs grew really fast and some were incredibly slow; Growth affects how much dinosaurs need parental care; A listener question about how sauropod diets changed as they grew; And a whole lot more dinosaur growth research

For links to every news story, all of the details we shared about Tambatitanis, and our fun fact check out https://iknowdino.com/Tambatitanis-Episode-571/

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Dinosaur of the day Tambatitanis, a titanosauriform from Japan named after the friendship between the two people who found the dinosaur.

In dinosaur news this week:

• There’s a new titanosauriform dinosaur, Dasosaurus tocantinensis
• When estimating how dinosaurs grew, some models may be missing important data points
• Dinosaurs were likely thicker and heavier than previously estimated
• How much did climate affect dinosaur body size evolution? It’s hard to say
• Scans of Early Triassic archosauromorph fossils show that this group had a variety of growth strategies from the beginning
• How scales grow as dinosaurs grow can give us some information on how they lived
• Tyrannosaur hatchlings may have left the nest shortly after hatching to hunt
• It took Tyrannosaurus rex 40 years to reach its full size
• Ceratosaurus grew more than 9 times faster than some of its fellow ceratosaurs
• The basal ornithopod Changchunsaurus was one of the slowest growing dinosaurs (that we know of)
• Maiasaura grew in a way that it needed a lot of parental care as a hatchling
• The hadrosaur Gryposaurus grew (mostly) isometrically (meaning everything grew at the same rate)
• The small iguanodont Dysalotosaurus had some interesting fused bones in its neck
• A new, tiny, young sauropodomorph sheds light on how early dinosaurs grew
• The titanosaur Neuquensaurus grew quickly, but differently than expected

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Bird expert Daniel Ksepka joins us from the Bruce Museum to discuss some of the most interesting extinct birds, dinosaur brains, and much more. Plus the new sauropodomorph Xiangyunloong with an extra sturdy tail.

For links to every news story, all of the details we shared about Brasilotitan, links from Daniel Ksepka, and our fun fact check out https://iknowdino.com/Brasilotitan-Episode-570/

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Dinosaur of the day Brasilotitan, a squared jawed titanosaur from (you probably guessed) Brazil.

Interview with Daniel Ksepka, a vertebrate paleontologist who specializes in birds. His main research is on penguins, though he has studied everything from turkeys to albatrosses. He is also a research associate at several museums and curator of science at The Bruce Museum in Connecticut—an art and science museum that has an exciting exhibit coming up about Earth’s mass extinctions.

In dinosaur news this week:

• There’s a new sauropodomorph dinosaur, Xiangyunloong fengming that had a sturdy, long tail

Our collectible cards are available now to commemorate the biggest new dinosaurs discoveries of the last year! We just unlocked a 6th (7th for patrons) card—Shri rapax! Get yours now at iknowdino.com/cards and choose from cards, stickers, keychains and even a brand new custom enamel pin! Get yours soon, because they are only available for a limited time. www.iknowdino.com/cards

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A new hadrosaur dinosaur mummy includes "cutaneous spikes" that would have given its skin a thorny texture. Plus Tara Tassone joins to discuss making our Dinosaur Rookie Cards and designing our new logo (and I Know Paleo logo).

For links to every news story, all of the details we shared about Atacamatitan, links from Tara Tassone, and our fun fact check out https://iknowdino.com/Atacamatitan-Episode-569/

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Dinosaur of the day Atacamatitan, one of the most complete titanosaurs found in Chile.

Interview with Tara Tassone, a graphic designer and illustrator. She's a graphic designer for the Mariners’ Museum and Park in Virginia. She also designed our new Dinosaur Rookie Cards. Follow her on instagram @t.n.t.design and check out her etsy shop Feather and Fang Studio.

In dinosaur news this week:

• There’s a new hadrosaur mummy featuring the prickliest skin of any dinosaur found to date—the new species Haolong dongi

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From the smallest ones (birds) to the largest (tyrannosaurs) and in between. The evolution of theropods, an extra large tyrannosaur, more evidence that Nanotyrannus is valid, two new small theropods (enantiornithine birds), and much more

For links to every news story, all of the details we shared about Avimimus, and our fun fact check out https://iknowdino.com/Avimimus-Episode-568/

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Dinosaur of the day Avimimus, the bird mimic of bird mimics.

In dinosaur news this week:

• A new Early Jurassic theropod skeleton gives more insight into how theropods evolved
• There’s a new enantiornithine, Plumadraco bankoorum, and it had really long tail feathers
• There is a new enantiornithine, Gorgonavis alcyone, and it had a long beak
• Paleontologists found an extra large tyrannosaur shinbone in New Mexico, which may show Tyrannosaurus evolved in North America
• A study of the tiny hyoid bone (in the mouth) in Nanotyrannus supports that it is a valid dinosaur
• How and what theropods ate changed over time as their skulls evolved—a new study breaks down the theropod group changes
• Five different carnivorous non-avian theropod groups evolved to have shorter arms and bigger heads (not just T. rex)

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Spinosaurus mirabilis has a head unlike any other spinosaur with possibly the tallest head crest of any non-avian dinosaur. Plus, Jeff Bond joins from Ogden's George S. Eccles Dinosaur Park to discuss what it's like running a museum with animatronics, fossils, a prep lab, sculptures, and (in the near future) puppets!

For links to every news story, all of the details we shared about Bonatitan, links from Jeff Bond, and our fun fact check out https://iknowdino.com/Bonatitan-Episode-567/

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Dinosaur of the day Bonatitan, a small titanosaur sauropod with two well preserved braincases.

Interview with Jeff Bond, curator and head paleontologist at Ogden’s George S. Eccles Dinosaur Park in Utah

In dinosaur news this week:

• There’s a new species of Spinosaurus, Spinosaurus mirabilis, with a very impressive crest on its head

We're releasing collectible cards to commemorate the biggest new Dinosaurs of 2025! Reserve your spot now at iknowdino.com/cards and get a sticker of our vintage logo and an audio guide of all 6 of the dinosaurs featured in our Dinosaur Rookie Class of 2025! www.iknowdino.com/cards

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Dr. Steve Brusatte joins us for a paleontologist interview about The Story of Birds, exploring how birds survived the dinosaur extinction, evolved from dinosaur ancestors, and became one of Earth's most successful groups of animals.

In this episode of I Know Dino, we cover new dinosaur discoveries and dinosaur research before sitting down with Steve Brusatte, paleontologist, author, and University of Edinburgh professor. We discuss what the fossil record reveals about bird evolution, why birds are living dinosaurs, and how paleontologists connect modern species to their dinosaur ancestors. Steve explains how scientists study dinosaur evolution, brain evolution, and the survival of bird lineages through the end-Cretaceous extinction.

We also talk about giant fossil birds, terror birds, penguins that once rivaled large mammals, and how dinosaur research continues to reshape our understanding of prehistoric life. Along the way, Steve shares stories from his work as a researcher, science communicator, and author, including insights from writing The Story of Birds and helping connect modern bird biology to deep dinosaur history.

Before the interview, we cover a new tiny alvarezsauroid from Argentina, discuss what it reveals about dinosaur evolution, and look at new research tools that help scientists reconstruct ancient environments and extinction events.

Thanks for listening to I Know Dino: The Big Dinosaur Podcast—your source for dinosaur discoveries, dinosaur news, dinosaur research, paleontology news, and interviews with the scientists making new fossil discoveries.

Steve Brusatte joins to discuss the only group of dinosaurs that survived the asteroid. Plus a new alvarezsauroid which is the most complete and smallest dinosaur ever found in South America.

For links to every news story, all of the details we shared about Tataouinea, links from Steve Brusatte, and our fun fact check out https://iknowdino.com/Tataouinea-Episode-566/

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Dinosaur of the day Tataouinea, a rebbachisaurid sauropod and the first articulated dinosaur skeleton found in Tunisia.

Interview with Steve Brusatte, a professor of Palaeontology and Evolution at the University of Edinburgh. He is also the paleontology advisor for Jurassic World and author of a numerous of best-selling paleontology books. His latest book is The Story of Birds (which is already a NYT Best Seller)

In dinosaur news this week:

• There’s a new alvarezsauroid, Alnashetri, which has set a record as the most complete dinosaur found in South America

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An extraordinary fossil find provides fresh evidence about dinosaur behavior and predator-prey interactions.

Plus hadrosaurs breaking their tails while mating, a diplodocoid with a broken tail tip, and many more paleopathologies.

For links to every news story, all of the details we shared about Koparion, and our fun fact check out https://iknowdino.com/Koparion-Episode-565/

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Dinosaur of the day Koparion, a small troodontid we only know from a tooth.

In dinosaur news this week:

• There’s a new herrerasaur, Ptychotherates bucculentus
• Hadrosaurs may have injured their tails while mating
• A Barosaurus with a long whip-like tail had a fracture at the tip of its tail
• A tyrannosaur lost the tip of its tooth in the skull of an Edmontosaurus
• A Plateosaurus with a bone infection in its right arm is the oldest known dinosaur bone infection
• Cancer has been around for millions of years, including in dinosaurs
• A few titanosaurs were found with cysts in their tails
• A mamenchisaurid sauropod had a tumor on its shoulder and arm

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The Tanis site is one of the most important paleo sites in North America, showing details of the exact day when the Cretaceous ended. Plus two new cute dinosaurs.

For links to every news story, all of the details we shared about Silvisaurus, links from Rob Sula, and our fun fact check out https://iknowdino.com/Silvisaurus-Episode-564/

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Dinosaur of the day Silvisaurus, an ankylosaur with a pear-shaped skull.

Interview with Rob Sula, the Senior field supervisor for Paleo Prospectors. He's a field paleontologist, teacher, and artist with decades of experience hunting and excavating dinosaurs and has co-discovered some very important fossil sites. He was also recently featured in the documentary Why Dinosaurs?

In dinosaur news this week:

• Dr. Hans Sues has ascended to paleo legend status
• There’s a new cute ornithopod, Foskeia pelendonum
• There’s another new, possibly even cuter dinosaur, the thescelosaurid ornithischian Doolysaurus huhmini

Tell us what you think about our show in our 2026 IKD Survey! We want our show to be as enjoyable as possible, and your input will help us improve. Head to bit.ly/ikdsurvey26 to help shape the future of I Know Dino!

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