998410 Strange hummingbirds (coloured engraving) by German School, (19th century); Private Collection; (add.info.: From ?Bilderbuch f羹r Kinder? (Picture Book for Children) 1790-1830, published by Friedrich Justin Bertuch (1747-1822) Merkw羹rdige Colibris Delalandes Colibri, der doppelhaubige Colibri oder Goldhauben-Schmuckkolibri, der Kragencolibri, der Schuppencolibri oder Violettkehlkolibri, der Colibri mit sechsfedrigem Schwanz, Kolibris, V繹gel Trochilus Delalandi, Trochilus bilophus, Heliactin bilophus, Trochilus petasophorus, Trochilus squamosus, Heliomaster squamosus, Trochilus enicurus); 穢 Purix Verlag Volker Christen; German, out of copyright.