Dendrocygna arcuata Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Dendrocygna eytoni Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Dendrocygna javanica, D. bicolor and D. arcuata
r^ Q 3 Z O u 54^ •'V' ?^*-' . .y£^
Zoological researches in Java, and the neighbouring islands / by Thomas Horsfield.