Reptiles' Breathing Hack Helped Birds Dominate the Air

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When we breathe out, we empty our lungs. But an ancient reptile figured out a more efficient way to breathe, which ultimately helped birds dominate the skies.

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Sources:
https://doi.org/10.1152/physiol.00056.2014
https://doi.org/10.1098/rstb.2019.0140
https://doi.org/10.1007/s00360-016-0983-3
https://doi.org/10.1093/icb/icv078
https://doi.org/10.1038/nature12871
https://doi.org/10.1073/pnas.1405088111
https://doi.org/10.1126/science.1180219
https://doi.org/10.1126/science.1140273
https://doi.org/10.1086/605335
http://people.eku.edu/ritchisong/birdrespiration.html
http://www.palaeontologyonline.com/articles/2017/fossil-focus-archosaur-respiratory-system-breat

Images:
https://commons.wikimedia.org/wiki/File:AmericanAlligator.JPG
https://commons.wikimedia.org/wiki/File:AA_Iguana_Fot_Ars_Summum.JPG
https://www.storyblocks.com/video/stock/visualization-of-human-respiratory-system-r809oe47xiwd94zf4
https://www.storyblocks.com/video/stock/group-of-young-adult-friends-run-past-camera-in-a-forest-ryrt4ksjisjiqe4y
https://www.istockphoto.com/photo/tree-swallow-mouth-open-oregon-wild-bird-close-up-gm1247601699-363336731
https://www.istockphoto.com/vector/hen-gm1199743617-343383175
https://www.istockphoto.com/photo/greylag-geese-flying-gm1152401682-312638479
https://www.istockphoto.com/photo/nile-crocodile-the-largest-freshwater-predator-in-africa-found-in-in-lakes-rivers-gm1165173093-320514062
https://www.istockphoto.com/photo/monitor-lizard-in-natural-habitat-gm1141580307-305894562
https://www.istockphoto.com/vector/sparrow-silhouette-gm1044947016-279664874
https://www.istockphoto.com/vector/alligator-gm457548889-31726844
https://www.istockphoto.com/vector/gecko-silhouettes-gm155312641-3586727
https://www.istockphoto.com/vector/silhouettes-of-reptiles-gm1174932270-326963896
https://www.istockphoto.com/vector/bats-silhouettes-set-gm494787264-77653099
https://www.istockphoto.com/vector/african-animals-icon-set-gm451038591-25210090
https://www.istockphoto.com/photo/xl-migrating-canada-geese-gm136917788-13312220