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The black-chinned hummingbird (Archilochus alexandri) is the bird species known to have the smallest genome among birds, which is only 0.91 Gb long.
Birds are the group of amniotes with the smallest genomes. Whereas mammal and reptilian genomes range between 1.0 and 8.2 giga base pairs (Gb), bird genomes have sizes between 0.91 Gb (black-chinned hummingbird, Archilochus alexandri) and 1.3 Gb (common ostrich, Struthio camelus).[1] Just as happens to any other living being, bird genomes’ reflect the action of natural selection upon these animals. Their genomes are the basis of their morphology and behaviour.
^Zhang, G., Li, C., Li, Q., Li, B., Larkin, D. M., Lee, C., ... & Ödeen, A. (2014). Comparative genomics reveals insights into avian genome evolution and adaptation. Science, 346(6215), 1311–1320. [1]
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Birds are the group of amniotes with the smallest genomes. Whereas mammal and reptilian genomes range between 1.0 and 8.2 giga base pairs (Gb), bird genomes...
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and include the use ofbird liming for perching birds, mist nets for woodland birds, cannon netting for open-area flocking birds, the bal-chatri trap...
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rise to endothermic birds, both in the Jurassic. After all dinosaurs except birds went extinct by the end of the Cretaceous, birds and mammals diversified...
Kerstin; Kingsley, David M.; Kingsley, D. M. (2012-04-04). "The genomic basis of adaptive evolution in threespine sticklebacks". Nature. 484 (7392): 55–61. Bibcode:2012Natur...
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chromosomes supports this hypothesis of independent evolution. This feature, along with some other genetic similarities with birds, such as shared genes related...
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