Canada Geese are in Wisconsin all year, but most are here in spring: numbers build from late February, peak in mid March (57% of checklists), and fall back by late May. In the quietest week (early July) they are still on about 11% of checklists.
When to look
Numbers buildFeb 22-28late February
PeakMar 15-21mid March
Fall back byMay 22-31late May
FewestJul 1-7early July
Best: mid March. Here all year; numbers build from late February and fall back by late May. Peak: on about 57% of Wisconsin checklists.
Jancommon
Febcommon
Marpeak season
Aprpeak season
Maypeak season
Juncommon
Juluncommon
Augcommon
Sepcommon
Octcommon
Novcommon
Deccommon
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in Wisconsin 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.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each 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.
Dodge CountyBest the second week of March · 682 checklists that week, 34,980 in all82%
Columbia CountyBest mid March · 638 checklists that week, 15,761 in all79%
Kewaunee CountyBest the second week of March · 210 checklists that week, 9,747 in all76%
Green CountyBest the second week of March · 89 checklists that week, 4,387 in all73%
Fond du Lac CountyBest mid March · 776 checklists that week, 32,349 in all72%
Adams CountyBest mid March · 87 checklists that week, 5,946 in all72%
Best spots
Share of checklists at the peak
Willow RiverSt. Croix County, best late March · 23 checklists that week, 372 in all100%
Trinity Creek Wetland HabitatOzaukee County, best the second week of March · 20 checklists that week, 213 in all100%
Duck Creek (Lancaster Creek)Brown County, best the second week of December · 22 checklists that week, 298 in all100%
Monterey ParkRock County, best late March · 24 checklists that week, 564 in all100%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Wisconsin, the Canada Goose is most often listed on checklists started between 5 and 7 pm (37% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
27%
22%
18%
18%
February
21%
22%
23%
36%
March
52%
57%
58%
57%
April
56%
55%
52%
50%
May
47%
43%
41%
37%
June
25%
16%
13%
11%
July
11%
13%
16%
19%
August
20%
21%
21%
20%
September
29%
33%
38%
42%
October
39%
38%
37%
35%
November
36%
35%
35%
35%
December
32%
29%
27%
24%
Neighboring states
Illinois: year-round, peaks the second week of March
Iowa: arrives mid February, 1 week earlier than Wisconsin
Michigan: arrives late February, in the same week than Wisconsin
Minnesota: arrives early March, 1 week later than Wisconsin
Common questions
When do Canada Geese arrive in Wisconsin?
Canada Geese are in Wisconsin all year, but most are here in spring: numbers build from late February, peak in mid March (57% of checklists), and fall back by late May. In the quietest week (early July) they are still on about 11% of checklists.
When do Canada Geese leave Wisconsin?
Canada Geese never fully leave Wisconsin: numbers fall back below half their usual rate by late May, but some are still reported in every week, about 11% of checklists at the low.
When is the best time to see a Canada Goose in Wisconsin?
The Canada Goose is reported most often in mid March, on about 57% of Wisconsin checklists.
Where in Wisconsin are Canada Geese seen most often?
By county, Dodge County, Columbia County, and Kewaunee County have the highest peak reporting rates for the Canada Goose (counties with at least 200 checklists).