Not only does it [the bible] not use modern neames for what ever animal it was the Bible doesn't give anyother name for a hippo or a whale. Why do you think that is?
The Bible doesn’t give a name for alot of modern animals. It doesn’t talk about elephants, giraffes, cats (that I could find), turkey. All I conclude from that is that the Bible doesn’t mention these animals or that some of the names have been changed from Biblical times. Example Deuteronomy 14:5
The hart, and the roebuck, and the fallow deer, and the wild goat, and the pygarg, and the wild ox, and the chamois.
Blessings!