BBC's Robert Piggot reports on the move to reintroduce ospreys to England

The strongest chicks have been taken from a dozen broods in Scotland and are being kept in pens overlooking Rutland Water before being released.

Rutland Water, in Leicestershire, is Western Europe's largest man-made lake, covering more than 3,000 acres.

Ospreys usually spend several months near their nests before migrating to West Africa where they stay for about three years. They then return to their birthplace to breed.

Ospreys have frequently used Rutland Water on their way back to Scotland and it is hoped that the birds taken there as chicks will regard it as their home.

Almost exclusively a fish eater, ospreys are noted for their feet first dramatic diving into the water when catching fish. Its markings are reminiscent of a highwayman's mask and was a common sight in England at the time of Shakespeare.

If efforts to encourage ospreys to breed are successful birdwatchers may still have to wait until the year 2000 before any of the chicks return to breed as adults