Sociality, ecology and developmental constraints predict variation in brain size across birds.

J Evol Biol · 2023 · PMC10100238 · PMID 36357968

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highly significantno p-value reported

Across all birds, we find a highly significant effect of developmental mode and foraging niche on brain size, suggesting that developmental constraints and selection for complex motor skills whilst foraging generally imposes important selection on brain size in birds.

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