When do finches leave Wyoming?

House Finches never fully leave Wyoming: numbers fall back below half their usual rate by mid May, but some are still reported in every week, about 11% of checklists at the low.

When is the best time to see finches in Wyoming?

The House Finch is reported most often in mid February, on about 34% of Wyoming checklists.

Which finches are in Wyoming?

House Finch, Pine Siskin, Red Crossbill, Evening Grosbeak, and Redpoll are reported regularly; the House Finch is the most common.

5 finch species in Wyoming

When Do Finches Arrive in Wyoming?

Photo: Daughter Dad, CC BY 4.0 via iNaturalist

House Finches, Pine Siskins, and Red Crossbills are the finches you are most likely to see in Wyoming. House Finches are in Wyoming all year, but most are here in winter: numbers build from early November, peak in mid February (34% of checklists), and fall back by mid May. In the quietest week (mid June) they are still on about 11% of checklists.

When to look

Numbers buildNov 1-7early November

PeakFeb 15-21mid February

Fall back byMay 15-21mid May

FewestJun 15-21mid June

Best: mid February. Here all year; numbers build from early November and fall back by mid May. Peak: on about 34% of Wyoming checklists.

Janpeak season
Febpeak season
Marpeak season
Aprpeak season
Maypeak season
Juncommon
Juluncommon
Augcommon
Sepcommon
Octcommon
Novpeak season
Decpeak season

Darker months: more checklists report it. Outlined: peak month.

Finches in Wyoming, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
House Finch	Nov 1-7	Nov 1-7	Feb 15-21	May 15-21	34%
Pine Siskin	May 1-7	May 1-7	Jul 8-14	Sep 15-21	20%
Red Crossbill	Apr 15-21	Apr 22-30	Jul 22-31	Mar 15-21	5.8%
Evening Grosbeak	Oct 1-7	Oct 1-7	Mar 1-7	Jun 8-14	2.2%
Redpoll	Nov 8-14	Nov 8-14	Feb 15-21	Apr 8-14	1.6%

House Finch
Pine Siskin
Red Crossbill
Evening Grosbeak

Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Wyoming that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

Where in Wyoming

Best counties for House Finch

Share of checklists at the peak

Campbell CountyBest late August · 119 checklists that week, 2,801 in all66%
Fremont CountyBest late February · 425 checklists that week, 27,707 in all53%
Albany CountyBest the second week of May · 851 checklists that week, 21,857 in all51%
Laramie CountyBest the second week of May · 740 checklists that week, 15,593 in all50%
Carbon CountyBest late January · 59 checklists that week, 6,429 in all49%
Park CountyBest the second week of December · 151 checklists that week, 27,277 in all48%

All finches in Wyoming

11 species are reported regularly: 5 are summer visitors, 5 are winter visitors, and 1 mostly pass through.

#	Species	Pattern	First arrivals	Peak	Peak %
1	House Finch	All year, most in winter	Nov 1-7	Feb 15-21	34%
2	American Goldfinch	All year, most in spring	May 8-14	May 15-21	24%
3	Pine Siskin	All year, most in summer	May 1-7	Jul 8-14	20%
4	Cassin's Finch	Summer visitor	Jan 8-14	May 8-14	9.8%
5	Gray-crowned Rosy-Finch	Winter visitor	Oct 22-31	Feb 15-21	6.7%
6	Red Crossbill	Summer visitor	Apr 15-21	Jul 22-31	5.8%
7	Black Rosy-Finch	Winter visitor	Nov 15-21	Feb 15-21	2.9%
8	Lesser Goldfinch	Summer visitor	Apr 8-14	Aug 22-31	2.6%
9	Evening Grosbeak	Winter visitor	Oct 1-7	Mar 1-7	2.2%
10	Pine Grosbeak	Summer visitor	Jun 15-21	Jul 15-21	1.9%
11	Redpoll	Winter visitor	Nov 8-14	Feb 15-21	1.6%

Common questions

When do finches arrive in Wyoming?: House Finches are in Wyoming all year, but most are here in winter: numbers build from early November, peak in mid February (34% of checklists), and fall back by mid May. In the quietest week (mid June) they are still on about 11% of checklists.
When do finches leave Wyoming?: House Finches never fully leave Wyoming: numbers fall back below half their usual rate by mid May, but some are still reported in every week, about 11% of checklists at the low.
When is the best time to see finches in Wyoming?: The House Finch is reported most often in mid February, on about 34% of Wyoming checklists.
Which finches are in Wyoming?: House Finch, Pine Siskin, Red Crossbill, Evening Grosbeak, and Redpoll are reported regularly; the House Finch is the most common.