Picus viridis -- European Green Woodpecker. Alternate name on piece: Gecinis viridis [Green woodpecker, or yaffle] Tracing on tissue. The birds and part of the hollow tree trunk are developed from Gould item 1992 and the skeleton of the branches established. In the published plate the tree branches are omitted and there is a good deal more of the trunk. Artist's name(s): Gould, John; Hart, William Matthew.