Crows in Japan Use Traffic Lights to Crack Nuts
BBC Studios · Documentary · YouTube title: Wild crows inhabiting the city use it to their advantage - David Attenborough - BBC wildlife
Why it's here
HN uses it as the standard illustration of animal tool use and adaptive intelligence in crow threads.
What it covers
A short BBC clip narrated by David Attenborough showing crows in Japan using city traffic to crack nuts, dropping them at intersections and retrieving them when the light changes.