
Cooper's Hawk (Astur cooperii) is in the Hawks, Eagles, and Kites family (Accipitridae). Across the U.S., iNaturalist users have logged 126,499 research-grade observations of it in our sample, peaking in January.
Seasonal pattern in the national data: year-round resident. Counts also reflect when people are out photographing, so compare months within a state rather than across states.
When to photograph Cooper's Hawk: observations by month (U.S.)
About Cooper's Hawk
Cooper's hawk (Astur cooperii) is a medium-sized hawk native to the North American continent and found from southern Canada to Mexico. This species was formerly placed in the genus Accipiter. As in many birds of prey, the male is smaller than the female. The birds found east of the Mississippi River tend to be larger on average than the birds found to the west. It is easily confused with the smaller but similar sharp-shinned hawk. (Accipiter...From Wikipedia via iNaturalist — article, CC BY-SA.
Cooper's Hawk by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| California | 37,385 | July | Jun–May |
| Texas | 13,436 | January | Dec–Nov |
| Arizona | 5,920 | March | Feb–Jan |
| Illinois | 4,894 | September | Jul–May |
| New York | 4,330 | January | Aug–Apr |
| Pennsylvania | 3,808 | January | Jul–May |
| Massachusetts | 3,653 | December | Jul–May |
| Ohio | 3,584 | January | Jul–May |
| Florida | 3,571 | December | Nov–Oct |
| Washington | 3,503 | August | Jul–Jun |
| Colorado | 3,032 | August | Mar–Oct |
| Virginia | 2,995 | January | Jul–Apr |
| Maryland | 2,978 | January | Jul–Apr |
| Oregon | 2,710 | August | Jul–Jun |
| New Mexico | 2,555 | April | Mar–Feb |
| New Jersey | 2,301 | October | Sep–Apr |
| Utah | 2,209 | August | Jul–Jun |
| Michigan | 1,807 | January | Dec–Nov |
| Nevada | 1,737 | July | Jun–May |
| North Carolina | 1,702 | January | Dec–Nov |
| Minnesota | 1,517 | April | Mar–May |
| Wisconsin | 1,515 | April | Jul–May |
| Tennessee | 1,289 | March | Feb–Jan |
| Indiana | 1,202 | April | Mar–Feb |
| Connecticut | 1,094 | October | Aug–Feb |
| Georgia | 1,054 | March | Feb–Jan |
| Idaho | 956 | April | Mar–Feb |
| Alabama | 865 | February | Jun–Apr |
| Missouri | 846 | September | Aug–Jul |
| Vermont | 731 | January | Aug–May |
| Louisiana | 700 | February | Jan–Dec |
| South Carolina | 685 | January | Dec–Nov |
| Kentucky | 612 | January | Dec–Nov |
| District of Columbia | 589 | December | Sep–Mar |
| Oklahoma | 554 | January | Dec–Nov |
| Nebraska | 511 | April | Mar–Feb |
| Delaware | 497 | October | Aug–Mar |
| Iowa | 480 | August | Jul–May |
| Maine | 446 | January | Jul–Apr |
| Kansas | 415 | August | Jul–Jun |
| New Hampshire | 368 | September | Jun–Oct |
| Rhode Island | 299 | December | Jul–May |
| Arkansas | 257 | January | Jul–Apr |
| Montana | 204 | August | Apr–Sep |
| Mississippi | 188 | January | Jul–Apr |
| West Virginia | 180 | October | Jun–Apr |
| South Dakota | 127 | August | Jul–Oct |
| Wyoming | 116 | August | Jul–Sep |
| North Dakota | 92 | August | Jul–Sep |
Main season = months with at least 30% of the state's peak-month count.
Related birds (Hawks, Eagles, and Kites)

Red-tailed Hawk

Bald Eagle

Red-shouldered Hawk

Northern Harrier

Mississippi Kite
Swainson's Hawk

Broad-winged Hawk

Sharp-shinned Hawk
Photography tips
- Use a fast shutter (1/2000 s or faster) for birds in flight.
- Focus on the eye and shoot at the bird's eye level.
- Approach slowly and stop if the bird changes behavior; never bait or flush birds.
- Morning activity peaks in the first two hours after sunrise.
FAQ
When is the best time to photograph Cooper's Hawk?
Nationally, January has the most observations, with the main season from December to November.
Where is Cooper's Hawk most often seen?
The most observations come from California, Texas, Arizona.