Author: Khan Academy via YouTube
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Evolutionary trees model the relationships between lineages and their common ancestors.

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Credits:
“Feral pigeon head close-up” by Alexis Lours (CC BY 4.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Feral_pigeon_2022_03_20.jpg
https://creativecommons.org/licenses/by/4.0/deed.en

“Pigeons on the roads of Old city, Hyderabad” by iMahesh (CC BY-SA 4.0), via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Pigeons_on_the_roads_of_Old_city,_Hyderabad.jpg
https://creativecommons.org/licenses/by-sa/4.0/deed.en

“Tyrannosaurus rex, Palais de la Découverte, Paris” by David Monniaux (CC BY-SA 3.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Palais_de_la_Decouverte_Tyrannosaurus_rex_p1050042.jpg
https://creativecommons.org/licenses/by-sa/3.0/deed.en

“Stegosaurus stenops (reconstruction)” by DataBase Center for Life Science (DBCLS) (CC BY 4.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:202009_Stegosaurus_stenops.png
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“Brachiosaurus altithorax (reconstruction)” by DataBase Center for Life Science (DBCLS) (CC BY 4.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:202009_Brachiosaurus_altithorax.png
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“Archaeopteryx lithographica (reconstruction)” by DataBase Center for Life Science (DBCLS) (CC BY 4.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:202010_Archaeopteryx_lithographica.png
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“Anchiornis martyniuk” by Matt Martyniuk (CC BY 3.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Anchiornis_martyniuk.png
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“Feral pigeon (Columba livia domestica)” by Lewis Hulbert (CC BY-SA 4.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Feral_pigeon_(Columba_livia_domestica),_2017-05-27.jpg
https://commons.wikimedia.org/wiki/File:Feral_pigeon_(Columba_livia_domestica),_2017-05-27.jpg

“Brown Mesite – Ranomafana – Madagascar_MG_1281” by Francesco Veronesi (CC BY-SA 2.0), via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Brown_Mesite_-_Ranomafana_-_Madagascar_MG_1281_(cropped).jpg
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“Double-banded Sandgrouse (Botswana)” by Marie de Carne (CC BY-SA 3.0), via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Double-banded_Sandgrouse.JPG
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“Tyrannosaurid specimen FMNH PR308 on display at the Field Museum of Natural History in Chicago, Illinois, USA” by Evolutionnumber9 (CC BY-SA 4.0), via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:Tyrannosaurid_FMNH_PR308.jpg
https://commons.wikimedia.org/wiki/File:Feral_pigeon_(Columba_livia_domestica),_2017-05-27.jpg

“India – Delhi girls chasing doves” by Jorge Royan (CC BY-SA 3.0), via Wikimedia Commons:
https://commons.wikimedia.org/wiki/File:India_-_Delhi_girls_chasing_doves_-_6159.jpg
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“A rock pigeon photographed at Ed Fountain Park in Las Vegas, Nevada” by Noah Wulf (CC BY-SA 4.0), via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Rock_pigeon_in_Las_Vegas_Park_2.jpg
https://commons.wikimedia.org/wiki/File:Feral_pigeon_(Columba_livia_domestica),_2017-05-27.jpg

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