Staff have been removed from the Dolphin centre over safety fears after unstable concrete was found in part of the building’s structure.

The aptly named George Bird Grinnell developed an early and abiding love for birds. As a boy, he attended school in John James Audubon's mansion in Assigning, New York, near the Grinnell family home.

John Grinnell, centre manager at The Dolphin, said: “We’re looking forward to welcoming visitors to this year’s Kingland ...