'Crow cam' catches birds using hooks Post a Comment Ecologists use tiny tail-mounted cameras to observe wild New Caledonian crows making and using hook-shaped tools. Baca JugaPoorer nations 'more focused on sustainability'Why it's the end of the road for petrol stationsApple’s latest accessibility features are for those with limb and vocal differences Read More Share : Post a Comment for "'Crow cam' catches birds using hooks"
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