22. Kestrel
American Kestrel
Image Credit: The_Phantom_Monk, Pixabay
Kestrels are deceptively small, weighing around 200 grams. It primarily eats rodents but will feed on smaller birds when living and hunting in towns and built-up areas. Although they are diurnal, they have a very keen sense of sight which means that they can hunt in very low light levels.