Grackles and blackbirds · bird group
Grackles and blackbirds: arrival and departure dates by state
Grackles and blackbirds reach District of Columbia first, around the second week of January, and Hawaii last, around late September. Pick your state below for exact arrival, peak and departure dates.
| State | First arrivals | Most gone by | Peak % |
|---|---|---|---|
| District of Columbia | Jan 8-14 | Nov 1-7 | 56% |
| Mississippi | Jan 15-21 | Jul 15-21 | 36% |
| New York | Feb 1-7 | Aug 8-14 | 63% |
| Ohio | Feb 1-7 | Nov 1-7 | 66% |
| West Virginia | Feb 1-7 | Aug 1-7 | 45% |
| Michigan | Feb 8-14 | Oct 15-21 | 68% |
| Oklahoma | Feb 8-14 | Jul 8-14 | 35% |
| Rhode Island | Feb 8-14 | Aug 1-7 | 59% |
| Delaware | Feb 15-21 | Jul 22-31 | 62% |
| Idaho | Feb 15-21 | Jul 1-7 | 50% |
| Iowa | Feb 15-21 | Oct 22-31 | 65% |
| Missouri | Feb 15-21 | Jul 8-14 | 47% |
| New Hampshire | Feb 15-21 | Jul 22-31 | 49% |
| New Mexico | Feb 15-21 | Jun 22-30 | 22% |
| Oregon | Feb 15-21 | Jun 15-21 | 34% |
| Vermont | Feb 15-21 | Aug 1-7 | 56% |
| Washington | Feb 15-21 | Jun 22-30 | 37% |
| Wisconsin | Feb 15-21 | Oct 15-21 | 67% |
| Wyoming | Feb 15-21 | Oct 8-14 | 49% |
| Illinois | Feb 22-28 | Aug 1-7 | 65% |
| Indiana | Feb 22-28 | Jul 22-31 | 59% |
| Kentucky | Feb 22-28 | Jul 15-21 | 46% |
| Maine | Feb 22-28 | Jul 22-31 | 41% |
| Maryland | Feb 22-28 | Jul 22-31 | 48% |
| South Dakota | Feb 22-28 | Aug 1-7 | 54% |
| Utah | Feb 22-28 | Jun 8-14 | 30% |
| Colorado | Mar 1-7 | Jun 22-30 | 53% |
| Connecticut | Mar 1-7 | Jul 15-21 | 58% |
| Kansas | Mar 1-7 | Jul 15-21 | 45% |
| Massachusetts | Mar 1-7 | Jul 22-31 | 61% |
| Minnesota | Mar 1-7 | Aug 8-14 | 61% |
| Nebraska | Mar 1-7 | Aug 1-7 | 56% |
| New Jersey | Mar 1-7 | Aug 1-7 | 58% |
| Pennsylvania | Mar 1-7 | Jul 22-31 | 52% |
| Virginia | Mar 1-7 | Jul 15-21 | 38% |
| Arizona | Mar 8-14 | Aug 1-7 | 25% |
| North Dakota | Mar 8-14 | Aug 1-7 | 58% |
| Arkansas | Mar 15-21 | Jul 1-7 | 39% |
| Georgia | Mar 15-21 | Jun 22-30 | 28% |
| Montana | Mar 15-21 | Jul 8-14 | 54% |
| North Carolina | Mar 15-21 | Jul 1-7 | 29% |
| Tennessee | Mar 15-21 | Jul 1-7 | 36% |
| Alaska | Apr 22-30 | Oct 1-7 | 4.5% |
| South Carolina | Dec 22-31 | Jul 15-21 | 26% |
| Texas | Nov 8-14 | May 22-31 | 30% |
| Hawaii | Sep 22-30 | Jun 15-21 | 2.7% |
| Louisiana | all year | – | 42% |
| Alabama | all year | – | 33% |
| Florida | all year | – | 31% |
| Nevada | all year | – | 29% |
| California | all year | – | 21% |
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.