Bats in Indiana in April
Yes, April is one of the best months to see bats in Indiana. It is the 3rd busiest month of the year, with 67 of the 576 sightings logged across the year (11.6%), 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.
Peak month for bats in Indiana
11.6%
of yearly sightings
67
records in April
#3
busiest month of 12
576
verified records a year
March 6.3%, April 11.6%, May 10.9%. Busiest month is August at 16.1%.
576 verified observations of bats in Indiana, recorded across 12 months of the year on iNaturalist.
When bats are recorded in Indiana
Peak month
August
93 records (16.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 10 | 1.7% |
| February | 23 | 4% |
| March | 36 | 6.3% |
| Aprilpeak | 67 | 11.6% |
| May | 63 | 10.9% |
| Junepeak | 83 | 14.4% |
| July | 65 | 11.3% |
| Augustpeak | 93 | 16.1% |
| September | 54 | 9.4% |
| October | 40 | 6.9% |
| November | 24 | 4.2% |
| December | 18 | 3.1% |
Bats you are most likely to see
| Species | Verified observations |
|---|---|
| Big Brown Bat | 212 |
| Eastern Red Bat | 76 |
| Tri-coloured Bat | 38 |
| Silver-haired Bat | 33 |
| Evening Bat | 12 |
| Little Brown Bat | 11 |
| Indiana Bat | 6 |
| Northern Hoary Bat | 3 |
In Indiana, April carries 11.6% of the year's bats sightings, about 3.3 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 is rising from March (6.3%) into April, and it heads toward May (10.9%) after. This is right inside the peak window, so April is one of the surest months to plan a trip around.
The bats most often recorded in Indiana are Big Brown Bat, Eastern Red Bat and Tri-coloured Bat. Those counts are annual totals rather than a April split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in April itself.
Which bats you are most likely to see
- Big Brown Bat212 records
- Eastern Red Bat76 records
- Tri-coloured Bat38 records
- Silver-haired Bat33 records
- Evening Bat12 records
- Little Brown Bat11 records
Plan your bat trip in Indiana
Start with live tours near Indiana Dunes National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main bat viewing area.
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Gear to see them
Frequently asked questions
Can you see bats in Indiana in April?+
Yes. April accounts for 67 of the 576 verified bats sightings logged in Indiana across the year, which is 11.6% of the annual total.
Is April a good time to see bats in Indiana?+
April is one of the best months. It ranks 3rd of the year and sits inside the peak window of August, June and April.
What month is best for bats in Indiana?+
August is the single busiest month, with the broader peak running through August, June and April, based on 576 verified observations.
Which bats are you most likely to see in Indiana?+
The most-recorded species in Indiana are Big Brown Bat, Eastern Red Bat and Tri-coloured Bat, based on all-time iNaturalist counts.
See bats in Indiana in other months
More places to see bats
More wildlife in Indiana