While on the holiday road, look for these roadside dive-bombers. They may be perching on highway signs, telephone wires and polls, or dive-bombing the ground for their dining preferences. American Kestrels are the smallest and most colorful raptors and are a common winter sight in open areas and alongside roadways. They nest in cavities, usually older, dead trees. Learn more about these pint-sized predators, what they look and sound like, and how you can build a nest box to attract a pair and watch them raise a family in this week's Discover Nature Note.