Hesperiphona vespertina · Fringillidae
Evening Grosbeak: When and Where to See It

The Evening Grosbeak reaches Oregon first, around late March, and Montana last, around early May.
JanFebMarAprMayJunJulAugSepOctNovDec
todayEach county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Pooled across every state in the data, so it leans toward states with the most birders.
States, in order of first arrivals
| State | First arrivals | Peak | Most gone by | Peak % |
|---|---|---|---|---|
| Idaho | Jan 1-7 | May 15-21 | Nov 15-21 | 5.9% |
| Nevada | Jan 22-31 | May 8-14 | Jun 1-7 | 1.2% |
| Oregon | Mar 22-31 | May 8-14 | Oct 22-31 | 10% |
| Washington | Mar 22-31 | May 15-21 | Oct 15-21 | 5.3% |
| Montana | May 1-7 | May 22-31 | Jun 8-14 | 14% |
| Colorado | Jul 1-7 | Aug 8-14 | Jun 8-14 | 3.0% |
| New Mexico | Jul 15-21 | May 1-7 | Jun 1-7 | 4.4% |
| Utah | Oct 1-7 | May 1-7 | May 22-31 | 1.9% |
| Wyoming | Oct 1-7 | Mar 1-7 | Jun 8-14 | 2.2% |
| Maine | Oct 15-21 | Nov 22-30 | May 8-14 | 2.8% |
| New Hampshire | Oct 15-21 | Dec 8-14 | May 8-14 | 3.8% |
| Vermont | Oct 15-21 | Dec 15-21 | May 8-14 | 2.6% |
| Michigan | Oct 15-21 | Nov 1-7 | Aug 8-14 | 1.5% |
| New York | Oct 15-21 | Nov 8-14 | May 8-14 | 1.2% |
| Wisconsin | Nov 1-7 | Dec 1-7 | Apr 15-21 | 1.2% |
| Minnesota | Dec 1-7 | Feb 1-7 | Mar 1-7 | 3.0% |
Winter visitor in: Maine, New Hampshire, Vermont, Michigan, New York, Wisconsin, Minnesota, Wyoming
Summer visitor in: Colorado, Idaho, Nevada, New Mexico, Utah