Birds

Ripped-off ravens sure can hold a grudge

​Birds of the corvid family such as crows, magpies and ravens have built quite a reputation for their smarts. Researchers have further explored this trait in ravens by intentionally ripping the poor birds off in a trade, then returning at a later date to see whether they remember being hard done by.

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France is raising drone-killing eagles

We've covered a few creative approaches to defending airspace from illegal drones, but if there's a cooler example than this we'd like to see it. The French military has been training baby eagles to mature into natural drone-hunters with the ability to snatch the aircraft out of the air mid-flight.

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