The rat has eaten that plastic thing just to the right of the red area and made a round hole. The hole is about 2 inches in diameter - perfect for a rat to walk through.
I have a "snake" camera for home inspection. I looked through the area under the plastic all the way to the passenger side and have not found any rat poop or nest. Good! I will be checking the cabin air filter this weekend.
On a side note. I admire how smart these animals are. In fact we have pet rats. My wife and children love them. Our pet rats never bite you, very friendly, happy to see you, like little dogs. They love to sit on a shoulder and make chirping sounds.
We trained them to jump, walk through a tube and other tricks. They recognize "eat", "jump", "stop", "home".
Really amazing animals.
Good information but for another varmint I run into. Where I live, grey squirrels take maple keys, and stash them in dry spots in the fall. Under hood lips where the wipers often nest in other cars are favourite stashing spots for the squirrels in my neighbourhood.
I will be putting a bit of stainless steel screen over this area on my car.
Sometimes the squirrels get the maple keys there more often than I remember to clean them out.
The tail of the key rots away much faster then the meaty part. I have had a blower motor ( in the days of prior to cabin air filter) burn up from the fan impeller jamming on the dried meaty part of the seed that dropped though the screen on the air intake like this car has.
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