File:Avian brain shape evolution.png

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Description
English: Main structures of central nervous system (including optic tectum) and inner ear (vestibular system and cochlear duct) across selected birds (extinct and extant) and closely related non-avian dinosaurs. While the orientation of the foramen magnum varies across phylogeny, the degree of ventralization of the foramen magnum in MPM-334-1 is significantly greater than that of other stem taxa, and comparable to that of certain crown birds (e.g. Accipiter and Selasphorus). Stem-based and node-based clade names are explicitly illustrated. Illustrations are not scaled.
Date
Source https://royalsocietypublishing.org/doi/10.1098/rstb.2005.1736
Author Guillermo Navalón, Daniel J. Field

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Evolution of the avian brain shape, including sensory structures

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28 September 2022

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