Neuron numbers link innovativeness with both absolute and relative brain size in birds
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PDF] Technical innovations drive the relationship between innovativeness and residual brain size in birds
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Daniel Sol Lab
![](https://media.springernature.com/lw1200/springer-static/image/art%3A10.1038%2Fs41559-022-01815-x/MediaObjects/41559_2022_1815_Fig4_HTML.png)
Neuron numbers link innovativeness with both absolute and relative brain size in birds
![](https://www.mdpi.com/insects/insects-12-00461/article_deploy/html/images/insects-12-00461-g001.png)
Insects, Free Full-Text
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Frontiers Neuronal and non-neuronal scaling across brain regions within an intercross of domestic and wild chickens
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Study of published research suggests both brain size and brain-to-body ratio are factors in intelligence in birds
![](https://www.biorxiv.org/content/biorxiv/early/2022/12/03/2022.06.20.496834/F2.large.jpg)
Theropod dinosaurs had primate-like numbers of telencephalic neurons
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Animal brain size by Concavenator on DeviantArt
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The evolution of social play in songbirds, parrots and cockatoos -emotional or highly complex cognitive behaviour or both? - ScienceDirect
![](https://i1.rgstatic.net/publication/351359077_Brain_size_and_neuron_numbers_drive_differences_in_yawn_duration_across_mammals_and_birds/links/6093d37192851c490fbc8233/largepreview.png)
PDF) Brain size and neuron numbers drive differences in yawn duration across mammals and birds
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Why birds are smart - ScienceDirect
![](https://i1.rgstatic.net/publication/378392771_Problem-solving_skills_are_predicted_by_technical_innovations_in_the_wild_and_brain_size_in_passerines/links/65d81bc0e7670d36abd3bde2/largepreview.png)
PDF) Problem-solving skills are predicted by technical innovations in the wild and brain size in passerines