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Three osprey chicks born in a man-made nest on a telegraph pole have been fitted with tracking devices to follow their migration to Africa.

The birds were born on a Powys nature reserve in Wales and are thought to be the first ospreys bred in the Dyfi Valley in 400 years!

But in a few weeks, they're expected to fly off on a 3,600-mile trip to Africa.

It's hoped their satellite tracking devices will feed back detailed information about their migration.

This includes readings of the birds' height and location once every hour.

The Dyfi Osprey Project reckon ospreys were last recorded breeding in the area in 1604.

That all changed in April, when a male called Monty returned from his African wintering grounds and three days later attracted a female called Nora.

They produced three eggs which have all successfully hatched. Their female and two male chicks have been named after local rivers - the female is called Leri, and the males Einion and Dulas.