Bluebirds · bird group
Bluebirds: arrival and departure dates by state
Bluebirds reach Minnesota first, around late February, and Colorado last, around late February. Pick your state below for exact arrival, peak and departure dates.
| State | First arrivals | Most gone by | Peak % |
|---|---|---|---|
| Minnesota | Feb 22-28 | Nov 1-7 | 12% |
| Utah | Feb 22-28 | Oct 22-31 | 5.5% |
| Wisconsin | Feb 22-28 | Nov 1-7 | 12% |
| Wyoming | Feb 22-28 | Oct 8-14 | 13% |
| Montana | Mar 1-7 | Oct 1-7 | 8.7% |
| South Dakota | Mar 1-7 | Oct 1-7 | 7.3% |
| Washington | Mar 1-7 | Oct 15-21 | 2.4% |
| Idaho | Mar 8-14 | Oct 8-14 | 5.6% |
| North Dakota | Mar 22-31 | Oct 22-31 | 3.3% |
| Illinois | Sep 8-14 | Nov 8-14 | 13% |
| Rhode Island | Oct 1-7 | Nov 22-30 | 10% |
| District of Columbia | Oct 8-14 | Nov 22-30 | 16% |
| Arizona | Oct 22-31 | Feb 22-28 | 12% |
| Maine | Feb 1-7 | May 15-21 | 15% |
| Colorado | Feb 22-28 | Oct 22-31 | 7.7% |
| North Carolina | all year | – | 44% |
| Georgia | all year | – | 42% |
| Tennessee | all year | – | 43% |
| Alabama | all year | – | 40% |
| South Carolina | all year | – | 41% |
| Virginia | all year | – | 38% |
| Maryland | all year | – | 34% |
| Mississippi | all year | – | 34% |
| Arkansas | all year | – | 32% |
| Missouri | all year | – | 30% |
| West Virginia | all year | – | 26% |
| Indiana | all year | – | 25% |
| Kansas | all year | – | 25% |
| Kentucky | all year | – | 24% |
| Pennsylvania | all year | – | 23% |
| Delaware | all year | – | 23% |
| Louisiana | all year | – | 21% |
| New Hampshire | all year | – | 21% |
| California | all year | – | 20% |
| New Mexico | all year | – | 20% |
| Ohio | all year | – | 20% |
| Oklahoma | all year | – | 20% |
| Iowa | all year | – | 19% |
| Connecticut | all year | – | 17% |
| New Jersey | all year | – | 17% |
| Massachusetts | all year | – | 14% |
| Michigan | all year | – | 15% |
| Florida | all year | – | 13% |
| Texas | all year | – | 13% |
| New York | all year | – | 11% |
| Vermont | all year | – | 11% |
| Nebraska | all year | – | 8.4% |
| Nevada | all year | – | 7.0% |
| Oregon | all year | – | 5.1% |
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.