Video: In Depth

Binocular bird's eye view something for corvids to crow about (2:28) 

Dec. 31 - New Caledonian crows are well-known for their ability to use tools but new research, recorded on video, reveals the impressive binocular overlap of the celebrated bird's vision which helps it seek out food. Researchers from the British universities of Oxford, Birmingham, and St Andrews got a bird's eye view of the crow at work by placing an ophthalmoscope video camera inside a baited tube and studying how the corvid uses its overlapping vision and straight bill to help it access larvae. Jim Drury has more. ( Transcript )

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