There exist only two books, which are written serious and only over animal behaviour before earthquakes:

One is from TRIBUTSCH:

and the newer one from IKEYA:

In the book over the sense of animals from Rupert Sheldrake are many pages over animal behaviour over earthquakes, too:

and the same for the very new book from Cal Orey over Jim Berkland:

here about myseterious bee dying: bee dying

- possible explanations with help of EM-waves?