No. of Observations

306,455

No. of Species

329

No. of Sites

157

Observations by Year
2025 0
2024 486
2023 1,952
2022 3,006
2021 4,777
2020 1,088
2019 2,023
2018 1,233
2017 9,639
2016 2,473
2015 3,308
2014 11,820
2013 4,861
2012 5,825
2011 5,087
Species by Year
2025 0
2024 68
2023 129
2022 134
2021 116
2020 142
2019 144
2018 126
2017 152
2016 159
2015 160
2014 178
2013 180
2012 166
2011 145
Sites by Year
2025 0
2024 8
2023 13
2022 15
2021 14
2020 17
2019 18
2018 11
2017 13
2016 19
2015 22
2014 17
2013 20
2012 19
2011 18
Sites
Site Name Observations Last Observation
Cone Marsh State Wildlife Management Area 58,017 2019-03-23
Linn County 37,770 2011-12-28
Hawkeye Willdlife Management Area 36,522 2017-04-25
Pleasant Creek State Recreation Area, Linn County 29,614 2024-05-04
1460 Douglas Ct, Marion 24,340 2024-09-22
Cedar Rapids 19,201 2005-05-08
Wickiup Hill Outdoor Learning Area 13,840 2022-05-13
Cedar Rapids Christmas Bird Count Center 12,176 2015-12-19
Otter Creek Marsh 10,368 2017-04-09
North Linn Christmas Bird Count 7,448 2022-12-28
Boyson Park 7,205 2020-05-17
Wanatee County Park 4,322 2024-04-29
Lacey-Keosauqua State Park 3,184 2015-06-04
Shimek State Forest, Croton Unit East 2,265 2015-06-03
Cedar Lake 2,196 2016-01-28
Island View Park, Rathbun 1,588 1992-11-14
Westphal Timber, Jones 1,002 2018-05-06
Pinicon Ridge Park 947 2022-12-28
Dudgeon Lake Wildlife Management Area 924 2023-08-05
Cedar Rapids Airport 879 2010-12-18
Green Island Wildlife Management Area 842 2023-04-09
Palisades Kepler State Park 799 2019-05-19
Credit Island Park 780 2013-02-13
Matsell Bridge Natural Area 774 2023-05-21
Saylorville Visitor Center 753 1992-09-27
View All Sites Observations for protected species or from private sites are not included in this list.