Sealing your eaves is key to a rat-free attic because roof-line gaps

https://charlieiqvm293.capitaljays.com/posts/why-sealing-your-eaves-is-the-secret-to-a-rat-free-attic-in-san-diego

Sealing your eaves is key to a rat-free attic because roof-line gaps and attic vent openings should be screened with corrosion-proof mesh and properly sealed to block access.