EuroGraphics State Birds Illustrated by David Sibley. 1000-Piece Puzzle Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". David Sibley is an American ornithologist. This illustration provides an accurate review of the state bird for the entire, Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.