On 1/24/21 6:23 AM, Anton Aylward wrote:

Sometimes I have heard noises on the space below the roof tiles,
probably rats. Fortunately, non have entered the house itself (I have
baits for them (as sensors) and they are intact).

At roof level it is more likely to be squirrels.

Here we have a species of non-native rat which lives in
palm trees, and in building roofs. They're called Tree Rats,
or Roof Rats.

https://www.gardenzeus.com/rats-in-the-california-home/

I haven't seen any in/on the house, but saw one in a guava
tree. They're smaller than regular rats. I've got traps in
the attic just to be safe.

Regards,
Lew