Seals at Donna Nook National Nature Reserve © Jo Bird & Bob Riach

Seals at Donna Nook National Nature Reserve including Bbrth of a Seal Pup at donna Nook Lincolnshire © Jo Bird & Bob Riach For most of the year the seals at the Lincolnshire Wildlife Trusts’ Donna Nook National Nature Reserve are at sea or on distant sandbanks. Every November and December, the seals give birth to their pups near the sand dunes: a wildlife spectacle which attracts visitors from across the UK.