Herons in Wisconsin in May
Yes, May is one of the best months to see herons in Wisconsin. It is the 1st busiest month of the year, with 1,156 of the 6,239 sightings logged across the year (18.5%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Peak month for herons in Wisconsin
18.5%
of yearly sightings
1,156
records in May
#1
busiest month of 12
6,239
verified records a year
April 10.2%, May 18.5%, June 16.5%. Busiest month is May at 18.5%.
6,239 verified observations of herons in Wisconsin, recorded across 12 months of the year on iNaturalist.
When herons are recorded in Wisconsin
Peak month
May
1,156 records (18.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 18 | 0.3% |
| February | 7 | 0.1% |
| March | 115 | 1.8% |
| April | 635 | 10.2% |
| Maypeak | 1,156 | 18.5% |
| June | 1,031 | 16.5% |
| Julypeak | 1,052 | 16.9% |
| Augustpeak | 1,083 | 17.4% |
| September | 755 | 12.1% |
| October | 306 | 4.9% |
| November | 70 | 1.1% |
| December | 11 | 0.2% |
Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 3,088 |
| Green Heron | 1,288 |
| Great Egret | 1,169 |
| Black-crowned Night Heron | 316 |
| American Bittern | 173 |
| Least Bittern | 56 |
| Yellow-crowned Night Heron | 49 |
| Western Cattle-Egret | 36 |
In Wisconsin, May carries 18.5% of the year's herons sightings, about 10.2 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from April (10.2%) into May, and it heads toward June (16.5%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.
The herons most often recorded in Wisconsin are Great Blue Heron, Green Heron and Great Egret. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.
Which herons you are most likely to see
- Great Blue Heron3,088 records
- Green Heron1,288 records
- Great Egret1,169 records
- Black-crowned Night Heron316 records
- American Bittern173 records
- Least Bittern56 records
Plan your heron trip in Wisconsin
Start with live tours near Apostle Islands National Lakeshore, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Apostle Islands National Lakeshore
Use the live GetYourGuide widget to compare local departures and activity styles close to the main heron viewing area.
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Stay nearbyStay near Apostle Islands National Lakeshore
Compare hotels, cabins and lodges close to the best heron viewing area in Wisconsin.
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Broader backupBook a heron tour in Wisconsin
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
Can you see herons in Wisconsin in May?+
Yes. May accounts for 1,156 of the 6,239 verified herons sightings logged in Wisconsin across the year, which is 18.5% of the annual total.
Is May a good time to see herons in Wisconsin?+
May is one of the best months. It ranks 1st of the year and sits inside the peak window of May, August and July.
What month is best for herons in Wisconsin?+
May is the single busiest month, with the broader peak running through May, August and July, based on 6,239 verified observations.
Which herons are you most likely to see in Wisconsin?+
The most-recorded species in Wisconsin are Great Blue Heron, Green Heron and Great Egret, based on all-time iNaturalist counts.
See herons in Wisconsin in other months
More places to see herons
More wildlife in Wisconsin