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.

See also:

• 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
• YouTube: Intelligent crows - tool use (BBC)

 Read more:

• Wikipedia: Crow / Bird Intelligence (Avian IQ)