Mark Catesby, ‘The Purple Martin (Hirundo purpurea)’, published 1731-1743, National Gallery of Art, Washington, D.C.
plate: 27.6 x 35.4 cm (10 7/8 x 13 15/16 in.)  sheet: 35.6 x 51.3 cm (14 x 20 3/16 in.)

About Mark Catesby