Rodents can sneak into San Diego rooflines through small openings around eaves, attic vents, crawl-space vents

https://daltonnzom925.talesignal.com/posts/what-to-do-if-you-hear-scratching-in-your-ceiling-2

Rodents can sneak into San Diego rooflines through small openings around eaves, attic vents, crawl-space vents, and utility entry points that are not properly sealed.