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Flight has arisen many times in the history of life on Earth. And in each of them, fascinating details involving the ability to fly. Here I briefly talk about all these incredible experiments when life learned to fly. DOPPEL T-SHIRTS: https://bit.ly/PirullaNaDoppel BECOME A MEMBER: / pirulla25 MY BOOK: amzn.to/2EqDprX My Twitter: / pirulla25 My fanpage: / canaldopirula My insta: @pirulla25 Video links CLADISTICS: • Cladistics - reconstructing the Evolution... ABOUT THE ORIGIN OF BIRDS: • DINOSAURS: JURASSI CELLUROSAURS... ABOUT CURRENT BIRDS: • CURRENT DINOSAURS: THE EVOLUTION OF BIRDS... ABOUT THE ORIGIN OF PTEROSAURS: • Where did pterosaurs come from? INSECTS On the origin and diversification of arthropods (seriously, this is a really cool article): https://onlinelibrary.wiley.com/doi/1.... On the origin and diversification of appendages: https://academic.oup.com/icb/article/... Origin of flight in insects, discussing the hypotheses: https://sci-hub.se/https://www.scienc... Oldest insect fossils: https://www.ncbi.nlm.nih.gov/pmc/arti... https://www.scienceopen.com/document_... https://royalsocietypublishing.org/do... https://www.sciencedirect.com/science... On the dual (or hybrid) hypothesis for the origin of wings Molecular/developmental: https://www.pnas.org/doi/10.1073/pnas... Fossil: https://reader.elsevier.com/reader/sd... Genetic evidence and embryological: https://www.nature.com/articles/s4155... (already cracked: https://sci-hub.se/https://www.nature... ) https://www.nature.com/articles/s4155... (already cracked: https://sci-hub.se/https://www.nature... ) https://www.researchgate.net/publicat... ABOUT SQUIDS THAT ACTUALLY FLY: https://phys.org/news/2013-02-bird-pl... PTEROSAURS https://sci-hub.se/https://www.nature... https://www.nature.com/articles/s4158... BIRDS https://www.science.org/doi/10.1126/s... https://peerj.com/articles/2159/ https://www.nature.com/articles/natur... (already cracked: https://sci-hub.se/https://www.nature...) MICRORAPTORS https://www.nature.com/articles/ncomm... https://journals.plos.org/plosone/art... https://www.cell.com/current-biology/... BATS: https://digitallibrary.amnh.org/bitst... https://www.nature.com/articles/natur... (already cracked: https://sci-hub.se/https://www.nature...) https://www.nature.com/articles/s4155... (already cracked: https://sci-hub.se/https://www.nature...) Running vampire bats: https://www.nature.com/articles/434292a About gliding animals: Scansoriopterygids: https://www.tandfonline.com/doi/abs/1... Anomalurids: https://onlinelibrary.wiley.com/doi/f...