Endangered Red List British birds in ceramics. Hand carved imagery from a professional illustrator turned ceramicist. The story of an idea View fullsize Trilobite fossil, acting as a symbol of species' extinction. My sketchbook drawing of the Skylark, a now endangered British bird. Click on the picture to hear the skylark. View fullsize My carving from the sketch. View fullsize The carving ready to make the plaster sprig mould. View fullsize The sprig mould. View fullsize The finished posy vase with the sprigged design.