A group of young cranes have started building nests in our region - the first time they've done so in 400 years.
They were hatched and reared by people dressed as adult birds. They taught the birds skills to survive in the wild at Slimbridge Wildfowl and Wetlands Trust, then they were moved to a temporary enclosure on the Somerset Levels.
Now some of them have flown back to Slimbridge, from where Ken Goodwin reports:
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