Do you think God made them that way? After all, humans are predators. But that wasn't the way it was in the beginning, was it? If we were in the Garden of Eden, we'd be in harmony with everything. Sin was a discordant break in that harmony. Now the animals fear us humans.
Think about that. The fear that animals have of us humans is a reminder to us that we are not whom we were meant to be.
That sin of pride blinds us to Original Sin. We forget about it. We minimize it.
Next time you see a little creature scramble away, try to catch a glimpse of yourself reflected in his eyes. We are scary creatures. We are dangerous, especially to ourselves.