Order: FALCONIFORMES - Kites, Falcons, and Allies
Family: ACCIPITRIDAE - Kites, Hawks, Eagles, and Allies

Males are gray, females streaked brown. Adults have yellow eyes, juveniles have dark eyes. Juveniles look like female with less streaking.

Key field mark is owl-like face and white patch at base of tail.
Northern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsoniusNorthern Harrier - Circus hudsonius