Northern Harrier, Circus cyaneus


Northern Harrier, male, 10/24/07, Bluff Top Park, Half Moon Bay, San Mateo Co
The male Harrier is gray above and on the head and breast, white with fine red streaking or spotting below.


Northern Harrier, female, 10/24/07, Bluff Top Park, Half Moon Bay, San Mateo Co
The adult female has brown upperparts, above, with extensive and variable brown striping on the underparts, as shown below and further down the page.


Northern Harrier, female, 3/7/05, Palo Alto Baylands


Northern Harrier, juvenile, 10/24/07, Bluff Top Park, Half Moon Bay, San Mateo Co
The juvenile, above and below, has a light orange breast, mostly clear, with a variable amount of light streaking; the "pumpkin-breast."


Northern Harrier, juvenile, 9/11/10, Nehalem Bay State Park, Manzanita, OR


Northern Harrier, male, 3/5/05, Arastradero Preserve
A good view of the adult male's light gray head, darker gray upperparts,
and mostly white underparts.


Northern Harrier, male, 10/29/09, Arastradero Preserve
The scattered red markings on the adult male's underparts.


Northern Harrier, male, 11/19/05, Arastradero Preserve
The distinctive flight of the harrier, foraging low over grass fields or marshes.


Northern Harrier, female, 2/27/08, Palo Alto Baylands
The breast and belly markings of the adult female vary from the relatively sharp streaks of the bird shown perched on the ground further up the page, and the heavy blotchy brown markings of the bird just above.


Northern Harrier, Juvenile, 11/14/09, Bosque del Apache, NM
Juvenile "pumpkin-breasts" in flight, above and below, with variable fine streaking.


9/18/07, Bluff Top Park, Half Moon Bay, San Mateo Co