No. of Observations

969,716

No. of Species

5,573

No. of Sites

2,175

Observations by Year
2024 15,559
2023 53,208
2022 100,975
2021 81,844
2020 89,625
2019 83,843
2018 57,559
2017 46,924
2016 54,637
2015 36,213
2014 23,010
2013 12,657
2012 18,670
2011 20,258
2010 31,223
Species by Year
2024 1,782
2023 2,085
2022 2,096
2021 1,651
2020 1,819
2019 1,511
2018 1,833
2017 1,483
2016 1,730
2015 1,677
2014 1,602
2013 1,432
2012 1,630
2011 1,541
2010 1,198
Sites by Year
2024 198
2023 317
2022 293
2021 293
2020 331
2019 235
2018 238
2017 238
2016 232
2015 224
2014 272
2013 221
2012 272
2011 279
2010 269
Sites
Site Name Observations Last Observation
Ames, Paul 120,598 2022-11-10
Stephens State Forest- Mine Pond 30,653 2024-08-10
Hawkeye Willdlife Management Area 25,283 2024-08-17
Hitaga Sand Ridge Prairie Preserve 24,485 2024-08-16
Ada Hayden Heritage Park 23,893 2024-10-12
Wickiup Hill Outdoor Learning Area 21,497 2024-10-23
Reiman Gardens Area, Ames 19,910 2024-02-01
Rock Island Botanical State Preserve 19,782 2024-10-18
F. W. Kent Park 15,712 2024-09-11
Lake MacBride State Park 15,120 2024-09-07
Chain Lakes County Park 13,939 2023-10-03
Shimek State Forest, Donnellson Unit 13,918 2024-08-18
Shimek State Forest, Croton Unit East 13,487 2024-08-11
Matsell Bridge Natural Area 12,252 2024-07-24
Wanatee County Park 9,998 2024-05-18
Noelridge Park 9,777 2024-10-22
Slip Bluff County Park 9,665 2024-10-12
Yellow River State Forest, Paint Creek Unit 9,602 2024-05-08
Honey Creek State Park 9,326 2021-05-30
Port Louisa National Wildlife Refuge 9,190 2024-06-10
Amana Woods 9,010 2024-06-12
Easter Lake 8,892 2024-09-19
Voas Nature Area 8,860 2024-07-27
Port Louisa National Wildlife Refuge, Horseshoe Bend 8,839 2024-04-30
Neal Smith National Wildlife Refuge 8,550 2024-07-21
View All Sites Observations for protected species or from private sites are not included in this list.