No. of Observations

18,842

No. of Species

1

No. of Sites

407

Observations by Year
2025 0
2024 1,220
2023 2,061
2022 2,189
2021 1,130
2020 1,102
2019 436
2018 1,247
2017 589
2016 782
2015 1,009
2014 1,034
2013 429
2012 509
2011 572
Species by Year
2025 0
2024 1
2023 1
2022 1
2021 1
2020 1
2019 1
2018 1
2017 1
2016 1
2015 1
2014 1
2013 1
2012 1
2011 1
Sites by Year
2025 0
2024 56
2023 72
2022 69
2021 82
2020 69
2019 51
2018 69
2017 52
2016 49
2015 46
2014 40
2013 30
2012 40
2011 40
Sites
Site Name Observations Last Observation
Shimek State Forest, Donnellson Unit 2,363 2024-08-18
F. W. Kent Park 2,013 2024-09-17
Wickiup Hill Outdoor Learning Area 905 2024-08-07
Turkey Creek Preserve 842 2024-08-16
Shimek State Forest, Croton Unit East 706 2024-08-11
Yellow River State Forest, Paint Creek Unit 685 2024-06-30
Effigy Mounds National Monument 633 2023-07-15
Rolling Thunder Prairie State Preserve 567 2024-07-03
Shimek State Forest Count Circle 412 2018-06-16
Indian Creek Nature Center 400 2024-07-23
Lake MacBride State Park 396 2024-08-24
Turkey Run Wildlife Area, Lee County 365 2024-08-11
Rochester Cemetery 330 2024-07-21
Rock Island Botanical State Preserve 291 2024-07-18
Matsell Bridge Natural Area 256 2023-08-10
Otter Creek County Park 254 2022-08-05
Indiangrass Hills 244 2010-09-11
Honey Creek State Park 223 2002-06-28
Voas Nature Area 221 2024-07-11
Hitaga Sand Ridge Prairie Preserve 216 2024-07-14
Volga River State Recreation Area 205 2024-07-01
Grant Park 169 2017-08-05
Lee County 151 2023-06-25
Cedar Hills Sand Prairie Preserve 147 2012-08-22
MacBride Nature Recreation Area 143 2023-08-18
View All Sites View Effort Trends Observations for protected species or from private sites are not included in this list.