Street smarts: how a hawk learned to use traffic signals to hunt more successfully | Hugonweb Annotated Link Bibliography
https://www.frontiersin.org/news/2025/05/23/street-smarts-hawk-use-traffic-signals-hunting
A hawk learning that an audio pedestrian walk signal at a traffic light leads to backed up cars it can use as cover to approach prey.
The published paper is here: https://doi.org/10.3389/fetho.2025.1539103