| Forster's Tern(Sterna forsteri) |
| - - - Spring - - - |
| Number | Date | Location | Observer | Comment |
| 200 | 2015-05-20 | Aitkin County, Rice Lake NWR | Guynn | by 10s, Rice Lake, with a few BLTE |
| 137 | 2019-05-03 | Lyon County, Cottonwood Lake,44.6194,-95.6867981 | Wee | Photos-there were two large “rafts†when I counted. They later flew around a |
| 120 | 2022-05-08 | Wright County, Pelican Lake 7 - West Upland Parking (Wright County) | Guynn | 120+ by 10s |
| 102 | 1998-05-08 | Hennepin County, Wood Lake N.C. | Tustison | most calling |
| 83 | 2022-05-12 | Pope County, Lake Minnewaska,45.6117724,-95.4461810 | Bartkey | So many loafing on a dock. Orange bill with black tip. Orange legs. |
| 75 | 2019-05-12 | Faribault County, Wells WTP,43.7470443,-93.7524643 | Harper | |
| 60 | 2006-04-16 | Dakota County | Weston | Lake Bylessby |
| 60 | 2011-04-30 | Dakota County | Fall | Lake Byllesby |
| 60 | 2011-05-03 | Freeborn County, Albert Lea Lake | Russell | |
| 44 | 2013-05-15 | Goodhue County, Prairie Island (Lower Island - Conservation Area),44.6449026,-92 | Miller | |
| 40 | 2008-05-12 | Cass County | Yerger | leech lake |
| - - - Summer - - - |
| Number | Date | Location | Observer | Comment |
| 83 | 2024-07-14 | Sibley County | Kieser | high island lake, counted individually in flooded field. |
| 65 | 2019-06-05 | Wright County, Granite Lake,45.1942007,-94.1077065 | Badger | Nesting colony |
| 60 | 2019-06-28 | Clearwater County, Upper Rice Lake Clearwater County,47.387664,-95.302639 | Stensaas | Breeding colony on this lake |
| 55 | 2010-07-10 | Hennepin County | Kieser | Total between French Lake and Diamond Lake (could be some overlap). Includes ju |
| 55 | 2023-06-25 | Todd County, Lake Osakis (Todd Co.),45.8931000,-95.1200000 | Castro-Miller | |
| 45 | 1966-07-16 | Hennepin County, Grass Lake, Minneapolis | Janssen | adults & immatures |
| 45 | 2018-07-24 | Otter Tail County, Dead Lake (Otter Tail Co.),46.473335,-95.7544327 | eBird | |
| 42 | 2020-07-11 | Lac qui Parle County, Big Stone NWR--Auto Tour Road,45.2548790,-96.3903820 | Wee | |
| 40 | 2017-07-25 | Otter Tail County, Troje's Resort,46.5049206,-95.7210445 | Swenson | |
| 40 | 2016-07-28 | Otter Tail County, Dead Lake (Otter Tail Co.),46.473335,-95.7544327 | Swenson | |
| 34 | 2005-06-11 | Nicollet County | Bartkey | |
| 31 | 2007-07-11 | Lac qui Parle County | Unzen | Big Stone NWR. |
| 30 | 2001-06-26 | Le Sueur County, St. Peter Sewage Ponds | Janssen | |
| - - - Fall - - - |
| Number | Date | Location | Observer | Comment |
| 61 | 2024-09-21 | Pope County, Lake Minnewaska,45.6117724,-95.4461810 | Putman | *high. Careful 1x1 count. All but 4 perched with RBGU & FRGU on docks/boat cover |
| 56 | 2007-09-07 | Big Stone County | Marengo | |
| 55 | 2021-10-09 | Lyon County, Sham Lake,44.6188000,-95.6597000 | Wee | Actual count- two groups of 20 or more and some individuals that later flew over |
| 53 | 2022-10-09 | Pope County | Kieser | On the dock behind Glenwood Ballroom |
| 43 | 2021-09-19 | St. Louis County, Park Point--Park Point Rec. Area,46.7337486,-92.0542164 | Davies | Flocks of 13,4,4,7,15. The last 15 were spotted soaring (!) to the northwest ove |
| 40 | 2016-09-03 | Marshall County, Agassiz NWR,48.3504,-95.9501 | Clearman | One flock took air at one time from lake |
| 30 | 2020-08-09 | Big Stone County, Township Road 156, Correll US-MN (45.2152,-96.1957),45.2151870 | Hosch | Most completely molted to basic plumage now. |
| 28 | 2019-08-08 | Big Stone County | Pierzina | 24 adults, 4 juveniles |
| 27 | 2010-09-18 | Pope County | Kieser | Starbuck Beach |
| 25 | 2016-08-13 | Big Stone County, Lannon Lake,45.5543882,-96.4312194 | Nienhaus | |
| 25 | 1993-09-18 | Grant County, Ashby | Janssen | |
| 22 | 2008-09-14 | Olmsted County | Hockema | Silver Creek Reservoir |
| 13 | 2011-08-27 | Cass County | Harste | |
| 4 | 2010-09-19 | Cass County | Yerger | |
|   |
| Breeds mostly west, central, and south-central. Migrant throughout. State designation: Special Concern. |