Scientist trains magpiea exchange bottle caps for food

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	Scientist trains magpiea exchange bottle caps for food (dailymail.co.uk)
	1 points by knutwannheden 2049 days ago

1 comments

sigmaprimus 2048 days ago

I believe this was done years ago in Seattle with crows and coins. It is neat that they used a RPi to feed MagPi considering the periodical that shares the name.

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