Chroicocephalus ridibundus1873StillImageDrawing depicting: Larus ridibundus -- Black-headed Gull; Common Black-headed Gull, Gaviota encapuchada, mouette rieuse. Alternate name on piece: Chroicocephalus ridibundus [Black-headed gull]Wolf, Joseph , 1820-1899 (artist)Richter, Henry Constantine , 1821-1902 (artist)Well finished painting of 4 nestlings; at foot of sheet: "Young black headed Gull"; not used directly for the plate cited.ku-gould:18974https://digital.lib.ku.edu/ku-gould/18974Gould 1109OrnithologyOrnithological illustrationChroicocephalus ridibunduselectronicimage/tiffBirds of Great Britain--https://digital.lib.ku.edu/ku-gould/7993--Ellis Aves H131This work is free of known copyright restrictions.