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- How do birds fly?<\/a><\/li><\/ul>
3 weird and wonderful dinosaurs that could fly<\/h2>
Yi qi<\/em> <\/h2>
Getty images<\/figcaption><\/figure> One species that might have flown is Yi qi<\/em> (\u2018strange wing\u2019), whose bizarre aerofoils resembled those of bats. While the surface of a bat\u2019s wings feature a membrane of skin (patagium) stretched across its legs and elongated fingers, Yi qi<\/em>\u2019s membranous wings were supported by its arms and a \u2018styliform\u2019 wrist bone unique to the scansoriopterygid dinosaur family. The aerodynamic potential of Yi qi<\/em> hasn\u2019t been tested, however, and so it may have been a mere glider.<\/p>
Microraptor<\/em><\/h3>
![\"\"](\"https:\/\/c02.purpledshub.com\/uploads\/sites\/62\/2024\/08\/Microraptor.jpg?fit=1024,1024\")
Durbed, CC BY-SA 3.0 https:\/\/creativecommons.org\/licenses\/by-sa\/3.0, via Wikimedia Commons<\/figcaption><\/figure> Microraptor<\/em> (\u2018tiny thief\u2019) is a dinosaur that was certainly capable of powered flight. It was unusual because it had four wings \u2013 two on its arms, two on its legs \u2013 with long feathers. While gliding, the crow-sized dinosaur formed an X- shape, arms outstretched and legs slightly splayed.<\/p>
It occasionally flapped its wings for lift and brought the rear limbs down as an air-brake before landing. The bones of mammals, lizards and fish have been found in Microraptor<\/em>\u2019s gut, suggesting that \u2013 like modern raptors \u2013 it might have caught food on the wing.<\/p>
Rahonavis<\/em> <\/h3>
![\"\"](\"https:\/\/c02.purpledshub.com\/uploads\/sites\/62\/2024\/08\/Rahonavis.jpg\")
Nobu Tamura (http:\/\/spinops.blogspot.com), CC BY-SA 3.0 http:\/\/creativecommons.org\/licenses\/by-sa\/3.0\/, via Wikimedia Commons<\/figcaption><\/figure> Another probable flyer is Rahonavis<\/em> (\u2018cloud bird\u2019), from a separate branch of the dromaeosaurid family tree. This was more conventional looking, with two wings, but less is known about its diet and how it flew.<\/p>
Palaeontologists have predicted the flight potential of numerous dinosaurs from aerodynamics, based on calculations like \u2018wing loading\u2019 (the ratio of body mass to wing area). <\/p>
Besides Microraptor<\/em> and Rahonavis<\/em>, several now-extinct birds passed those tests, including relatives of Anchiornis<\/em> (\u2018near bird\u2019) and, on a branch leading to modern birds, the well-known Archaeopteryx<\/em> (\u2018ancient wing\u2019).<\/p>
How were some dinosaurs able to fly?<\/h2>
Dromaeosaurids, extinct birds and living avians all belong to a wider group of theropod dinosaurs, the maniraptorans (those with \u2018thieving hands\u2019). This raises a question: what enabled this group to evolve flight on at least three separate occasions? <\/p>
One answer is their respiratory system. In mammals, air reaches the lungs by going in and out of the body along the same route. <\/p>
By contrast, dinosaurs \u2013 including birds \u2013 used a one-way system where air flowed around a circuit, not only passing through the lungs but also via multiple air-filled spaces in the limbs, ribs and vertebrae. These balloon-like air sacs gave dinosaurs pneumatic bones, making them lightweight.<\/p>
![\"\"](\"https:\/\/c02.purpledshub.com\/uploads\/sites\/62\/2024\/08\/pterodactyls.jpg\")
Pterodactyl, Getty images<\/figcaption><\/figure> When we think of flying dinosaurs, we often think of the iconic pterodactyls. But pterodactyls were not actually dinosaurs \u2013 rather flying reptiles that lived during the same period.<\/p>
- Evolution explained: what evolution is, how evolution works – and how some dinosaurs turned into birds<\/a><\/li>
- How powerful was the bite of a T.rex?<\/a><\/li>
- How did herbivore dinosaurs get enough food?<\/a><\/li><\/ul> <\/body><\/html>\n
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- How powerful was the bite of a T.rex?<\/a><\/li>
- How do birds fly?<\/a><\/li><\/ul>