I really don't get how people can think that's actually a rodent.
I mean, we're all human.. we're pattern seeking animals.
To me, I can see the rodent shape. It still doesn't look like a real one, but at first glance, sure. When you look at the other rocks surrounding it, they have similar shapes. Same flanged/flared shape at the bottom, smooth features on top for the most part.
I mean hell, a few rocks down from your rodent, left of a round rock I believe is a shark. Above that, another fish. My god this was taken in an aquarium! This is like sitting on a hill and seeing patterns in the clouds. Don't worry guys, doesn't mean there's really a dinosaur in the sky.