Андрей Журавлев - Лётная школа птерозавров

الوصف:

At 00:00:00 the lecture begins, at 00:01:30 the speaker discusses the tree‑climbing pterosaur, at 00:02:50 the focus shifts to Tupandactylus navigans from the Krapto formation in Brazil, at 00:05:04 the anatomy of its flight apparatus is examined, at 00:06:51 early 18th‑century views of pterosaurs are reviewed, at 00:08:30 early 19th‑century views, at 00:10:50 a phylogenetic tree is presented, at 00:12:10 the diversity of pterosaurs is described, at 00:12:56 their lifestyle, at 00:14:00 eggs, at 00:16:00 childhood, at 00:17:20 flight of juveniles, at 00:18:20 life cycle, at 00:19:44 wing‑membrane structure, at 00:21:37 bone structure, at 00:24:56 brain and nervous system, at 00:28:05 thermoregulation using Sordes pilosus, at 00:29:50 track impressions and terrestrial locomotion, at 00:33:21 gait and mobility of Quetzalcoatlus, at 00:39:02 feeding strategies of Ctenochasmatidae, at 00:40:10 "Arabian snakes", at 00:42:30 Darwin's origin of whales, at 00:43:55 actual whale origins, at 00:45:00 Andrewsarchus, at 00:47:30 searching for whales in the desert, at 00:48:40 Basilosaurus, at 00:51:25 molecular phylogeny of cetaceans, at 00:53:34 ancestral forms Indohylus and Pakicetus, at 00:56:17 viviparity in aquatic species, at 00:57:04 transition to aquatic life, at 00:58:20 emergence of the whale's snout, at 00:59:27 filter‑feeding detection mechanism, at 00:59:59 other large marine filter feeders – bony fish, at 01:01:00 other large marine filter feeders – anomalocaridids, at 01:02:30 diversity of anomalocaridids, at 01:04:16 annelid worms on legs – ancestors of anomalocaridids, at 01:06:23 Galeus, at 01:08:17 velvet worms, at 01:09:20 dinosaur tracks and interpretations, at 01:11:40 pioneers of paleontology, at 01:13:28 origin of birds from dinosaurs, at 01:17:12 Archaeopteryx and flight origin, at 01:19:00 feather origin, at 01:22:12 thermoregulation via feathers, at 01:23:44 brain adaptation to flight, at 01:25:20 feather function in predatory dinosaurs, at 01:25:55 gliding or running stabilization, at 01:27:46 transition from dinosaurs to birds – respiration, at 01:28:26 transition from jaws and teeth to beak, at 01:29:50 digestive adaptations in birds, at 01:32:00 thermoregulation in birds, at 01:35:00 audience questions, at 01:35:20 lifespan, egg‑laying, cannibalism of pterosaurs, at 01:37:55 brain reconstruction, at 01:41:30 meaning of "pursuit of wings", at 01:45:40 natural events and catastrophes, at 01:49:00 modernization of Moscow paleontological museum, at 01:52:20 depiction of flying dinosaurs in Jurassic Park franchise.