1. the author's perspective on events
The wolf and his prey are not paying attention to the seeds that grab onto the wolf's fur and fall off as he moves along the trail. This is an observation by the author.
2. unremarkable
The prefix un changes the definition from the base word to it's opposite. Distinguished usually means something that is worth paying attention to or rewarding. Undistinguished is something not worth paying attention to or following. Unremarkable means the same - not worth paying attention to.
3. The wolf pounced on a mouse and ate it.
A compound verb is when there are two verbs for the same subject. This sentence has two action verbs (pounced, ate) for the subject (wolf). Therefore this is the sentence with a compound verb.