Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 鸭 鸭
This image comes from the 4th edition of Meyers Konversationslexikon (1885-90), it is therefore Public Domain. 动物 鸟 鸭 鸭
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 鸭 接骨木鸭