As part of a new series, Sir David Attenborough was to have been present while Manx shearwater chicks on Skomer Island left their underground burrows for the first time. PA
As part of a new series, Sir David Attenborough was to have been present while Manx shearwater chicks on Skomer Island left their underground burrows for the first time. PA

Avian flu risk kept David Attenborough away from chicks during filming