Canada Geese are in Missouri all year, but most are here in winter: numbers build from mid November, peak in late March (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 15-21mid November
PeakMar 22-31late March
Fall back byMay 15-21mid May
FewestJun 15-21mid June
Best: late March. Here all year; numbers build from mid November and fall back by mid May. Peak: on about 34% of Missouri checklists.
Janpeak season
Febpeak season
Marpeak season
Aprpeak season
Maypeak season
Juncommon
Julcommon
Augcommon
Sepcommon
Octcommon
Novcommon
Decpeak season
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 Missouri 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.
Sequiota ParkGreene County, best late July · 20 checklists that week, 433 in all100%
Binder Conservation LandCole County, best early December · 32 checklists that week, 1,541 in all99%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Missouri, the Canada Goose is most often listed on checklists started between 6 and 8 am (27% 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%
26%
25%
30%
February
30%
23%
22%
34%
March
34%
34%
33%
35%
April
35%
33%
35%
33%
May
30%
27%
27%
21%
June
14%
11%
10%
10%
July
11%
13%
15%
16%
August
16%
17%
16%
16%
September
18%
16%
17%
20%
October
20%
20%
20%
19%
November
21%
22%
23%
27%
December
25%
25%
23%
28%
Neighboring states
Arkansas: arrives mid February, 12 weeks later than Missouri
Iowa: arrives mid February, 12 weeks later than Missouri
Kansas: arrives early November, 2 weeks earlier than Missouri
Illinois: year-round, peaks the second week of March
Common questions
When do Canada Geese arrive in Missouri?
Canada Geese are in Missouri all year, but most are here in winter: numbers build from mid November, peak in late March (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 Canada Geese leave Missouri?
Canada Geese never fully leave Missouri: 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 a Canada Goose in Missouri?
The Canada Goose is reported most often in late March, on about 34% of Missouri checklists.
Where in Missouri are Canada Geese seen most often?
By county, Cooper County, Grundy County, and Lewis County have the highest peak reporting rates for the Canada Goose (counties with at least 200 checklists).