Common Kestrel is a small falcon widespread across Europe, Asia, and Africa, and a rare visitor to the United States. It is larger than the American Kestrel and often hunts by hovering over open ground. In North America, it is also called Eurasian Kestrel.
Common Kestrel is larger. An adult male Common Kestrel has rusty wings and a gray tail, while an adult male American Kestrel has blue-gray wings and two dark marks on each side of the face.
Why they get mixed upBoth are small, long-tailed falcons that hover over open ground.