Whats the Real Story Behind Dinosaurs and Megafauna Our Expert Reveals All

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Want to learn more about Australia's dinosaurs and megafauna? Ask your questions about these ancient Aussie animals in the comment section for a chance to have them answered by our expert Dr Matthew McCurry from the ‪@australianmuseum‬ in the next episode of Ask An Expert! • Want to know more about the outback hunt for fossils? Read our recent article on the search for Aussie dinosaurs... https://www.australiangeographic.com.... • Find dinosaur toys and books for the whole family... https://shop.australiangeographic.com.au • Join a palaeontology dig experience yourself with Australian Geographic Travel... https://australiangeographictravel.co... • Below are the questions from this episode of Ask An Expert. • 1:50 What makes a dinosaur a dinosaur? How were they different from other mammals, avians and reptiles at the time? • 2:51 How many different types of dinosaurs have been found in Australia? • 4:14 How many ancient kangaroo species have been identified and where were they located? • 5:00 Are there stone tool butchering marks on Megafauna bones? • 5:55 Where was the most complete diprotodon megafauna skeleton found with a joey in pouch proving they were more marsupial? • 6:36 What types of digestive systems do we think large herbivorous dinosaurs had, such as sauropods and ceratopsians, such as foregut or hind gut fermentation? • 8:02 What are the current theories that could explain the high frequency of opisthotonic death pose seen in theropod and other bipedal fossils? • 8:58 Were ammonites just the snails of the sea? • 9:42 How did chickens evolve from dinosaurs? • 10:18 What was Australia's biggest underwater predator? • 11:11 Are there any major gaps in Australia's fossil record, and if so, which period or periods are involved? • 12:01 Can you tell us about the opalised plesiosaur found in the Australian Museum, please? • 13:30 Are they trying to bring back mammoths in the same way they're trying to bring back thylacines? • 14:41 What did cassowaries evolve from? Why are they so dinosaur-like? • 15:17 Did dinosaurs have feathers? • 16:04 How can you tell a dinosaur's sex from its bone structure? • 17:18 Did dinosaurs lay eggs, or have live births? • 17:59 What dinosaur had the biggest teeth? • 18:29 What was the relationship like between dinosaurs and mammals? Were mammals purely prey animals, or did they ever out-compete dinosaurs in certain niches? Are there any examples of symbiotic relationships between mammals and dinosaurs? • 19:45 Do we know why t-rex had such small arms? I know it was said they might have been feathered arms. • 21:04 What have been the more recent extinction events for megafauna species? • 21:58 Why did Australian megafauna die out, but African megafauna survive? • 22:50 Have any megafauna endemic to far north Queensland been discovered? • 23:11 Are there any places locally an ordinary person with limited mobility can go to fossick fossils and if I find any and want to bring them to the attention of the scientific community, how do I go about that? • Australian Geographic brings you the very best about Australia's wildlife, culture, people and places - it's in our nature. • Subscribe to the AusGeo YouTube channel for regular videos showcasing the people, places and wildlife that make Australia so great! https://ausgeo.co/YTsub • Head to our website for even more Australian stories... https://www.australiangeographic.com.au • Follow us on socials... • Facebook | / ausgeo • Twitter | / ausgeo • Instagram | / australiangeographic • TikTok | / ausgeo • Get the mag | https://ausgeo.co/AGmag • Read on Apple News | https://ausgeo.co/AGapple • #dinosaur #dinosaurs #megafauna #australia #seeaustralia #history #oldschoolcool #heritage #museum #museums #australianhistory #australiananimals #askanexpert • Join the conversation: #ausgeo

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