David Attenborough looks at crows' creative use of tools in their hunt for grubs. Embedding disabled - watch the video on YouTube

See also:

• Joshua Klein: The amazing intelligence of crows (TEDTalks)
• crows crack open nuts using traffic
• crow bends wire to get food out of jar
• crow uses small stick to get large stick to get food

 Read more:

• Wikipedia: Crow / Bird Intelligence (Avian IQ)

From: BBCWorldwide

Original description:
Many birds make use of tools, in this clip David looks at how some of them have perfected the art of using them for gathering food. From the BBC.