Falco sparverius is a species of small falcon that is native to the Americas. This bird of prey is commonly known as the American kestrel, but it has several other synonyms as well. Some of these include the sparrow hawk, killy hawk, and grasshopper hawk. The American kestrel is a popular bird among birdwatchers due to its striking appearance and acrobatic flight patterns. It is commonly found in open areas, such as grasslands, agricultural fields, and deserts. Despite its small size, the American kestrel is a fierce hunter, feeding on a variety of small mammals, birds, and insects. Its impressive speed and agility make it a formidable predator in the animal kingdom.