They could cause engine issues too!
Upon arriving at our camp site a couple years ago, I noticed a air filter replacement warning light. Since our MH was new, I investigated and found a few sticks poking out from the air intake behind the grill. I removed the intake and air filter housing and they were full of bird nest material. After a full cleaning, I noticed the air filter housing was cracked all along the underside from the high suction force. All was ok after a temporary repair for the return trip after which the housing was replaced. I then added 1/4" galvanized hardware mesh over the intake to a prevent future nesting site.
[B]2022 Rockwood Signature 8262RBS