HackerTube / Video
Causal understanding of water displacement by a crow
PLOS Media
A silent PLOS ONE video of New Caledonian crows solving Aesop's Fable puzzles by dropping objects to raise water and reach food. It shows example trials from experiments testing causal understanding of water displacement.
Used as vivid evidence of crow intelligence and animal physical reasoning in discussions of cognition.
11 Hacker News mentions · 2015–2023