Herons in Maine in May
Yes, May is a good month to see herons in Maine. It is the 5th busiest month of the year, with 429 of the 3,484 sightings logged across the year (12.3%), 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 July 2, 2026.
Good month for herons in Maine
12.3%
of yearly sightings
429
records in May
#5
busiest month of 12
3,484
verified records a year
April 6.7%, May 12.3%, June 13.3%. Busiest month is August at 23.9%.
3,484 verified observations of herons in Maine, recorded across 12 months of the year on iNaturalist.
When herons are recorded in Maine
Peak month
August
831 records (23.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 12 | 0.3% |
| February | 7 | 0.2% |
| March | 25 | 0.7% |
| April | 232 | 6.7% |
| May | 429 | 12.3% |
| June | 463 | 13.3% |
| Julypeak | 574 | 16.5% |
| Augustpeak | 831 | 23.9% |
| Septemberpeak | 522 | 15% |
| October | 294 | 8.4% |
| November | 74 | 2.1% |
| December | 21 | 0.6% |
Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 1,684 |
| Great Egret | 696 |
| Snowy Egret | 507 |
| Black-crowned Night Heron | 139 |
| Green Heron | 120 |
| American Bittern | 91 |
| Yellow-crowned Night Heron | 51 |
| Little Blue Heron | 48 |
In Maine, May carries 12.3% of the year's herons sightings, about 4 points above an even month-to-month split. That makes it the 5th busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from April (6.7%) into May, and it heads toward June (13.3%) after. The busiest month is August (23.9%), so if timing is flexible, that window is the safer bet.
The herons most often recorded in Maine are Great Blue Heron, Great Egret and Snowy 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 Heron1,684 records
- Great Egret696 records
- Snowy Egret507 records
- Black-crowned Night Heron139 records
- Green Heron120 records
- American Bittern91 records
Plan your heron trip in Maine
Start with live tours near Acadia National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Acadia National Park
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 Acadia National Park
Compare hotels, cabins and lodges close to the best heron viewing area in Maine.
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Broader backupBook a heron tour in Maine
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 Maine in May?+
Yes. May accounts for 429 of the 3,484 verified herons sightings logged in Maine across the year, which is 12.3% of the annual total.
Is May a good time to see herons in Maine?+
May is the 5th busiest month. It is workable, though August and July is the stronger window for a reliable sighting.
What month is best for herons in Maine?+
August is the single busiest month, with the broader peak running through August, July and September, based on 3,484 verified observations.
Which herons are you most likely to see in Maine?+
The most-recorded species in Maine are Great Blue Heron, Great Egret and Snowy Egret, based on all-time iNaturalist counts.
See herons in Maine in other months
More places to see herons
More wildlife in Maine