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The Relationship Between Relative Brain Size and Avoidance of Vehicular Collisions in Birds is Subtle

Robert M Zink1, Brittaney L Buchanan1,2

  • 1School of Natural Resources, School of Biological Sciences and Nebraska State Museum, University of Nebraska-Lincoln, Nebraska 56853, USA. E-mail: rzink2@unl.edu (Zink).

Zoological Studies
|October 3, 2025
PubMed
Summary

Birds killed by vehicles may have slightly smaller brains, but this trend isn't universal. Other factors like age, sex, and species influence brain size in bird mortality. This suggests complex interactions between brain size and collision avoidance behaviors.

Keywords:
Avian mortalityBird brainsBrain massCognitive abilityVehicular collisions

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