Article

Overcoming a “forbidden phenotype”: The parrot’s head supports, propels, and powers tripedal locomotion

2021-12-23

Abstract excerpt

No vertebrate, living or extinct, is known to have possessed an odd number of limbs. Despite this “forbidden phenotype", gaits that utilize odd numbers of limbs (e.g., tripedalism or pentapedalism) have evolved in both avian and mammalian lineages. Tripedal locomotion is commonly employed by parrots during climbing, who utilize their beaks as an additional support. However, it is unclear whether the beak functions...

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Literature Corpus work: a5df3e1b-f588-5c62-b0a1-a59ef5349c84
DOI: 10.1101/2021.12.22.473737

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