Por que aves são dinossauros e pterossauros não são? (#Pirula 261)

A common question from everyone, I'll take the opportunity to answer it. Birds are dinosaurs, pterosaurs (pterodactyls) are not. Why? My Twitter:   / pirulla25   My Fan Page:   / canaldopirula   My Instagram: @pirulla25 Doppel Store (t-shirts) 5% discount using the promo code PIRULA: http://bit.ly/PirulaDoppel Buy 4 t-shirts and pay for 3: 4PI EVOLUKIT: My video assembling the cabinets: https://www.instagram.com/p/Bg92O25nH... Link to the website: https://www.evolukit.com.br/?utm_sour... Link to the cubes session: https://www.evolukit.com.br/moveis/cu... Link to the exhibitors' session: https://www.evolukit.com.br/moveis/ni... Home https://www.evolukit.com.br/?utm_sour... Link to the raffle for the books "Science and Pseudoscience" and "The Vaccine in the Dock": https://goo.gl/BqqjbV My video on Irish History Part 2, with details of Promotion:    • História da Irlanda (PARTE 2): Ingleses, D...   Article listing some of the characteristics that unite or separate crocodiles, pterosaurs, and dinosaurs: http://digitallibrary.amnh.org/handle... Report explaining the difficulty of determining what is a dinosaur-almost-a-bird and what is an actual bird: https://www.nationalgeographic.com/sc... Some articles on the evolution of birds and their Transitions: https://www.ncbi.nlm.nih.gov/pmc/arti... http://sci-hub.do/https://www.nature.... http://sci-hub.do/https://www.nature.... https://www.ncbi.nlm.nih.gov/pmc/arti... http://sci-hub.do/https://www.nature.... https://link.springer.com/book/10.100... A little about evolution pterosaurs: https://books.google.com.br/books/abo... https://www.nature.com/articles/s4155... MtjquEi5BhLyxo-2kbnyGhOOHpICEIVYrQ7raP7PrwZqBjjbJVwg1swY3kUezv6MKPHoR-zv1C8ue3Bu06oF9YJUha61PEdN EZ92uiCS0oPRIOocC1hLFn7FLN5FZktwVzGNALtaY8tH6JmYzk6CJ1otGI_K3c%3D&tracking_referrer=www.bbc.co.uk https://onlinelibrary.wiley.com/doi/e... Birds Flying in slow motion taken from this channel here:    • Slow motion Birds in flight   My Cladistics video:    • Cladística - reconstruindo a Evolução (#Pi...   My video "Yes, we are all apes":    • Sim, somos todos macacos (#Pirula 79)   My video talking about intermediate fossils:    • Fósseis intermediários? As figuras do livr...   My video explaining "if evolution is true, why are there still apes":    • P.C.R.Evo [1] - Por que ainda existem maca...