No. of Observations

973

No. of Species

1

No. of Sites

51

Observations by Year
2025 0
2024 0
2023 21
2022 24
2021 3
2020 2
2019 24
2018 6
2017 13
2016 19
2015 42
2014 40
2013 30
2012 4
2011 3
Species by Year
2025 0
2024 0
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 0
2023 3
2022 3
2021 1
2020 1
2019 4
2018 4
2017 4
2016 7
2015 13
2014 9
2013 6
2012 4
2011 1
Sites
Site Name Observations Last Observation
Lacey-Keosauqua State Park 196 2015-06-04
Pleasant Creek State Recreation Area, Linn County 117 2023-05-31
Shimek State Forest, Croton Unit East 110 2015-06-03
Hawkeye Willdlife Management Area 87 2017-04-25
Westphal Timber, Jones 52 2018-05-06
Cedar Rapids 37 2005-05-08
Palisades Kepler State Park 35 2019-05-19
Wickiup Hill Outdoor Learning Area 32 2008-05-03
White Pine Hollow State Preserve 31 2003-06-22
Otter Creek Marsh State Wildlife Refuge / Otter Creek Wildlife Unit 30 2000-05-12
1460 Douglas Ct, Marion 29 2023-05-18
Cone Marsh State Wildlife Management Area 26 2003-03-29
Wanatee County Park 23 2019-05-22
Linn County 20 2002-05-19
Mann Property 17 2022-06-02
Boyson Park 17 2016-05-10
Big Sand Mound Prairie Preserve, Louisa County 10 2019-07-01
Green Island Wildlife Management Area 10 1999-06-26
Matsell Bridge Natural Area 7 2023-05-21
Timberhill 6 2016-06-18
Hendrickson Marsh State Hunting Area, Story County 5 2017-04-16
Mallard Marsh 5 2006-05-13
Story County 4 2002-09-15
Bixby State Preserve 3 2022-06-19
Willow Creek/Kiwanis Park 3 2021-05-05
View All Sites View Effort Trends Observations for protected species or from private sites are not included in this list.