Ospreys · bird group
Ospreys: arrival and departure dates by state
Ospreys reach North Carolina first, around late February, and Louisiana last, around the second week of September. Pick your state below for exact arrival, peak and departure dates.
| State | First arrivals | Most gone by | Peak % |
|---|---|---|---|
| North Carolina | Feb 22-28 | Oct 22-31 | 15% |
| Tennessee | Feb 22-28 | Sep 22-30 | 13% |
| Virginia | Feb 22-28 | Oct 1-7 | 21% |
| Alabama | Mar 1-7 | May 1-7 | 17% |
| District of Columbia | Mar 1-7 | Aug 22-31 | 31% |
| Maryland | Mar 1-7 | Sep 15-21 | 26% |
| Delaware | Mar 8-14 | Sep 22-30 | 43% |
| Kentucky | Mar 8-14 | Oct 1-7 | 8.7% |
| Colorado | Mar 15-21 | Oct 1-7 | 11% |
| Connecticut | Mar 15-21 | Oct 1-7 | 29% |
| Idaho | Mar 15-21 | Sep 22-30 | 16% |
| Indiana | Mar 15-21 | Oct 8-14 | 6.4% |
| Massachusetts | Mar 15-21 | Sep 15-21 | 22% |
| New Jersey | Mar 15-21 | Oct 15-21 | 30% |
| New Mexico | Mar 15-21 | Jun 1-7 | 4.0% |
| New York | Mar 15-21 | Oct 1-7 | 21% |
| Ohio | Mar 15-21 | Oct 1-7 | 14% |
| Oregon | Mar 15-21 | Sep 15-21 | 15% |
| Pennsylvania | Mar 15-21 | Oct 1-7 | 9.7% |
| Rhode Island | Mar 15-21 | Sep 15-21 | 48% |
| Utah | Mar 15-21 | Oct 1-7 | 7.6% |
| West Virginia | Mar 15-21 | Oct 1-7 | 6.3% |
| Illinois | Mar 22-31 | Oct 1-7 | 4.6% |
| Iowa | Mar 22-31 | Oct 15-21 | 6.3% |
| Michigan | Mar 22-31 | Sep 15-21 | 6.2% |
| Montana | Mar 22-31 | Sep 15-21 | 15% |
| New Hampshire | Mar 22-31 | Sep 22-30 | 8.5% |
| Vermont | Mar 22-31 | Sep 8-14 | 11% |
| Washington | Mar 22-31 | Sep 15-21 | 17% |
| Wisconsin | Mar 22-31 | Sep 22-30 | 6.4% |
| Maine | Apr 1-7 | Sep 22-30 | 19% |
| Minnesota | Apr 1-7 | Sep 15-21 | 6.8% |
| South Dakota | Apr 1-7 | Oct 8-14 | 6.5% |
| Wyoming | Apr 1-7 | Sep 15-21 | 9.7% |
| Alaska | Apr 22-30 | Oct 1-7 | 2.0% |
| Nevada | Jul 8-14 | May 15-21 | 6.6% |
| Missouri | Jul 15-21 | Nov 1-7 | 4.0% |
| North Dakota | Jul 22-31 | Oct 8-14 | 1.8% |
| Arkansas | Aug 1-7 | Nov 1-7 | 3.2% |
| Arizona | Aug 15-21 | Apr 22-30 | 4.8% |
| Kansas | Aug 15-21 | Nov 8-14 | 7.1% |
| Oklahoma | Aug 15-21 | Nov 8-14 | 8.3% |
| Texas | Jun 15-21 | Apr 15-21 | 12% |
| Nebraska | Aug 8-14 | Nov 1-7 | 5.4% |
| Louisiana | Sep 8-14 | Dec 22-31 | 11% |
| Florida | all year | – | 34% |
| Mississippi | all year | – | 17% |
| South Carolina | all year | – | 17% |
| California | all year | – | 8.0% |
| Georgia | all year | – | 7.9% |
First arrivals = first week reports reach 10% of the usual in-season rate for the most reported species in the state. Most gone by = last week at half that rate. Definitions.