How do you say eagle, ostrich and penguin in ancient Chinese?

"The rest of the countries, Gong Daquan. Goose has camel's hoof, pale color, head seven or eight feet high, wings open, and eats barley. Its eggs are like an urn, so it is called an ostrich. " -Guo "Tuhuo Luo, in the first year of Yongzheng, presented a big bird, seven feet high, black, camel-footed, flapping its wings, traveling for 300 miles a day, which can break iron, commonly known as ostrich." -"Tang Shu Tu Huo Chuan". So an ostrich should be called an ostrich.

There are many kinds of eagles, some are called eagles, some are called kites, owls, owls, eagles and so on. Eagles should be mostly called eagles.

Ancient people should not know about penguins.