| Caspian Tern(Hydroprogne caspia) |
| - - - Spring - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 571 | 2009-05-14 | Hennepin County, purgatory creek | Marengo | |
| 521 | 2009-05-12 | Hennepin County, purgatory creek | Marengo | |
| 520 | 2009-05-11 | Hennepin County, Purgatory Creek, Eden Prairie | Weston | |
| 475 | 2009-05-18 | Hennepin County | Kieser | Purgatory Creek |
| 470 | 2009-05-13 | Hennepin County | Marengo | purgatory creek |
| 430 | 2009-05-26 | Hennepin County, Purgatory Creek | Weston | |
| 430 | 2013-05-15 | Hennepin County, Purgatory Creek Wetland | Brunell | |
| 416 | 2009-05-21 | Hennepin County, purgatory creek | Marengo | |
| 335 | 2005-05-14 | Hennepin County | Budde | At Purgatory Creek wetland in Eden Prairie |
| 313 | 2008-05-18 | Hennepin County | Brunell | Purgatory Wetlands ~ Eden Prairie |
| - - - Summer - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 200 | 1979-06-02 | St. Louis County, Minnesota Point, Duluth | Janssen | |
| 132 | 2009-06-01 | Hennepin County | Kieser | Purgatory Creek wetlands |
| 80 | 2012-06-15 | Cass County | Mortensen | About 80 nests on Litte Pelican Island. |
| 50 | 2021-06-03 | Cass County, Leech Lake--Pelican Island,47.1100639,-94.3751979 | eBird | |
| 45 | 2019-06-02 | Cass County, Walker WTP,47.0716417,-94.5787239 | Tiller | |
| 32 | 2017-06-03 | Hubbard County, US-Minnesota-Nevis-28292 Junco Drive - 47.073x-94.902,47.0729646 | Reyes | |
| 20 | 2017-07-01 | Cass County | Hertzel | |
| 9 | 2016-06-07 | Hennepin County, Purgatory Creek Wetlands,44.854226,-93.4422398 | Peterson | |
| 7 | 2016-06-12 | Carver County, Lake Waconia, Wagener's Bay (SW part of the lake),44.8587588,-93. | Zempel | |
| - - - Fall - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 400 | 2014-08-02 | Cass County, Leech Lake--Pelican Island,47.1100639,-94.3751979 | young | 400 is an approximate count many - breeding |
| 75 | 2016-08-12 | Cass County, US-MN-North Central Cass-56655 - 47.1191x-94.3717,47.119076,-94.371 | young | Caspian terns were nesting on bird island i am giving a low count |
| 48 | 2024-08-16 | Cass County, Longville WTP,46.9850832,-94.2020988 | Patterson | 41 adults, 7 juveniles |
| 48 | 2008-09-09 | Cass County | Wieland | Little Pelican Island, Leech Lake |
| 36 | 2006-09-19 | Hennepin County | Kieser | 12 juveniles. Purgatory Creek Rec. Area |
| 35 | 2020-08-15 | Cass County, Longville WTP,46.9845792,-94.2002027 | | |
| 34 | 2006-09-07 | Beltrami County | Johnson | Major flight ahead of cold front on L. Bemidji over 1.5 hour period |
| 29 | 2015-08-20 | Washington County, Mississippi River--Hastings Sandbar,44.7500554,-92.856515 | Nichols | |
| 21 | 2012-09-21 | Hennepin County | Brunell | Purgatory Wetlands |
| |
| Breeds very locally north-central. Migrant throughout. |
