No. of Observations

3,416

No. of Species

516

No. of Sites

269

Observations by Year
2024 790
2023 544
2022 590
2021 228
2020 350
2019 147
2018 119
2017 104
2016 99
2015 104
2014 75
2013 54
2012 56
2011 38
2010 26
Species by Year
2024 233
2023 203
2022 194
2021 113
2020 130
2019 69
2018 65
2017 61
2016 60
2015 67
2014 45
2013 47
2012 43
2011 31
2010 25
Sites by Year
2024 70
2023 104
2022 76
2021 51
2020 55
2019 32
2018 24
2017 23
2016 26
2015 26
2014 21
2013 18
2012 18
2011 17
2010 15
Sites
Site Name Observations Last Observation
1460 Douglas Ct, Marion 475 2024-09-23
Hitaga Sand Ridge Prairie Preserve 333 2024-08-16
700 Black Bear Bend 179 2024-09-23
Shimek State Forest, Donnellson Unit 150 2024-08-18
Big Sand Mound Prairie Preserve, Muscatine County 125 2024-08-28
Matsell Bridge Natural Area 123 2024-07-24
Ada Hayden Heritage Park 73 2022-08-25
Wickiup Hill Outdoor Learning Area 73 2020-09-14
MacBride Nature Recreation Area 71 2024-09-08
F. W. Kent Park 71 2024-07-26
Pinicon Ridge Park 67 2024-08-04
Slip Bluff County Park 56 2024-08-24
Palisades Kepler State Park 55 2024-09-18
Big Wall Lake Wildlife Management Area 53 2024-10-19
Shimek State Forest, Croton Unit East 51 2024-08-11
Ciha Fen Wildlife Preserve 51 2024-07-20
Wanatee County Park 49 2024-05-17
Eddyville Sand Prairie Park 46 2024-07-28
Hawkeye Willdlife Management Area 36 2024-07-04
Geode State Park 35 2024-08-18
Wildcat Bluff Recreational Area 30 2023-07-27
Pleasant Creek State Recreation Area, Linn County 29 2023-08-28
Lake MacBride State Park 28 2024-08-25
Near Fairfield 27 2021-07-21
Cairo Woods Wildlife Area 23 2024-06-02
View All Sites Observations for protected species or from private sites are not included in this list.