London, 1836. Hand-colored etching with aquatint and line-engraving by Robert Havell, Jr., after Audubon. Paper watermarked "J. Whatman/1837." Sheet: (24 7/8 x 37 1/4 inches). The Green Heron from the first edition of Audubon's "The Birds of America." A finely composed image with a strong upward diagonal movement from the unheeding juvenile bird as it darts its neck out to seize the Luna moth that has momentarily come to rest on the foliage of the marsh plant. Partially concealed under the foliage, an adult bird stalks past more warily. "Pools or bayous, and the margins of the most limpid streams, are alike resorted to by this species for the purpose of procuring food. It is little alarmed by the presence of man, and you may often see it close to houses on the mill-dams, or even raising its brood on the trees of gardens. This is often the case in the suburbs of Charleston, in South Carolina, where I have even seen several nests on the same live oak. The gentleness of this bird…