Well, what about Rats?  if you want to know something that might have been touched on in our many blog articles covering the range of issues covering subtropical tree crops and other topics of collateral interest, check out the SEARCH button at our website.

https://ucanr.edu/blogs/blogcore/blogsearch.cfm

Where it has  zzzzzzzzzzzzzzzzzzzzzz  in the top right corner, you type the search word and up will come all manner of archived blogs that have that term in their text.  The search can be somewhat sloppy, but if we wrote about it, there will be one or more blog articles that cover your topic of interest.

Good hunting.

And what about rats?  Read on:

https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=24581

 And look at that rat damage to the lemon bark.  Hope the tree recovers.