ScienceDaily (2007-10-10) -- Researchers can now 'hitch a ride' with wild birds and witness their natural and undisturbed behaviour. Scientists developed miniaturised video cameras with integrated radio-tags that can be carried by wild, free-flying birds. Using this new 'video-tracking' technology, they spied on the behaviour of New Caledonian crows, a species renowned for its sophisticated use of tools, recording behaviours never seen before.
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This is very interesting. I would love to watch some of these videos to see where the crows we feed go off to in between feedings. They are such clever birds, aren't they?