The granular lines in the illustrations reminded me of the Arnold Lobel books I grew up with (like Giant John--not the same medium but that's the feel). Simple story from the child's point of view. Super extra bonus points for staying in the child's realm of understanding all the way through ("I don't think he likes it here. I wonder if he misses his friends...he isn't having much fun.") rather than all of a sudden displaying an appreciation for habitat and ecosystem and what have you. Very accessible to the youngest nature lovers.