For a more in-depth resource that is still very approachable at a high school level, I highly recommend John S. Denker’s book, See How It Flies, full text online
https://www.av8n.com/how/
What’s very remarkable is that elephants like human seem to invent abstract names; other animals like dolphins mimic the signature sound of another to attract their attention.
[1] https://en.m.wikipedia.org/wiki/Multiple_independently_targe...