What's the Real Story Behind Dinosaurs and Megafauna? Our Expert Reveals All!
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....
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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?
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