|Intelligent crows crack open nuts using traffic||
Crows crack open nuts by dropping them in front of cars, then wait for the traffic light to turn green before picking it up.
|Intelligent crow bends wire to get food out of jar||
A crow bends a metal wire to create a hook which can scoop food out of a jar.
|Intelligent crow uses small stick to get large stick to get food||
New Caledonian crows can not only use tools, but also use one tool to manipulate another tool. This crow uses a small stick in order to get a larger stick, which it can then use to obtain food.
|Intelligent crows - tool use (BBC)||
David Attenborough looks at crows' creative use of tools in their hunt for grubs. Embedding disabled - watch the video on YouTube
|Joshua Klein: The amazing intelligence of crows (TEDTalks)||
Crows are so successful at survival because of their high intelligence and ability to learn from each other. Hacker/writer Joshua Klein explores whether crows could be trained to pick up garbage or other useful tasks.
|Fishing crow using bread as bait||
An intelligent hooded crow uses bread to lure and catch fish (cichlids).
|Sequential tool use by New Caledonian crows||
This Oxford University experiment shows that New Caledonian crows are even more intelligent than previously thought. In the video a crow is shown using three tools in the right sequence to achieve an objective, without prior training.