Bald Eagles in Illinois in March
Yes, March is one of the best months to see bald eagles in Illinois. It is the 3rd busiest month of the year, with 589 of the 4,373 sightings logged across the year (13.5%), 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 bald eagles in Illinois
13.5%
of yearly sightings
589
records in March
#3
busiest month of 12
4,373
verified records a year
February 14.5%, March 13.5%, April 12%. Busiest month is February at 14.5%.
4,373 verified observations of bald eagles in Illinois, recorded across 12 months of the year on iNaturalist.
When bald eagles are recorded in Illinois
Peak month
February
633 records (14.5% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 621 | 14.2% |
| Februarypeak | 633 | 14.5% |
| Marchpeak | 589 | 13.5% |
| April | 523 | 12% |
| May | 338 | 7.7% |
| June | 138 | 3.2% |
| July | 131 | 3% |
| August | 158 | 3.6% |
| September | 219 | 5% |
| October | 290 | 6.6% |
| November | 334 | 7.6% |
| December | 399 | 9.1% |
Bald Eagles you are most likely to see
| Species | Verified observations |
|---|---|
| Bald Eagle | 4,373 |
In Illinois, March carries 13.5% of the year's bald eagles sightings, about 5.2 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.
Activity holds steady between February and March, and it heads toward April (12%) after. This is right inside the peak window, so March is one of the surest months to plan a trip around.
The bald eagles most often recorded in Illinois are Bald Eagle. Those counts are annual totals rather than a March split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in March itself.
Which bald eagles you are most likely to see
- Bald Eagle4,373 records
Plan your bald eagle trip in Illinois
Start with live tours near Lewis & Clark National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Live tours nearbySee live tours near Lewis & Clark National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main bald eagle viewing area.
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Stay nearbyStay near Lewis & Clark National Historic Trail
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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 bald eagles in Illinois in March?+
Yes. March accounts for 589 of the 4,373 verified bald eagles sightings logged in Illinois across the year, which is 13.5% of the annual total.
Is March a good time to see bald eagles in Illinois?+
March is one of the best months. It ranks 3rd of the year and sits inside the peak window of February, January and March.
What month is best for bald eagles in Illinois?+
February is the single busiest month, with the broader peak running through February, January and March, based on 4,373 verified observations.
Which bald eagles are you most likely to see in Illinois?+
The most-recorded species in Illinois are Bald Eagle, based on all-time iNaturalist counts.
See bald eagles in Illinois in other months
More places to see bald eagles
More wildlife in Illinois