I would say yes it is.
They would most likely be tailgating you to tell you to go faster.
A. Readily aviable food. All the other options aren't beneficial.
Hello
There are quite a variety of animals that fix your explanation, but the most common one is a squirrel. A squirrel fits your description, except i'm not sure about the jumping over a river. I believe for that, it might also be a stray cat.