April 18, 1999 - Earliest spring record and 1st for April
(1); RMBS, St. Charles Co.; Jim Malone, Edna Alexander; 12th Annual MBRC Report, 1999-54.
Flying with Forster's Terns; diagnostic rump and tail patterns were clearly noted.

May 3, 1975 - 2nd earliest spring record
(Adult); Squaw Creek NWR, Holt Co.; David Easterla, Mark Robbins; R & E.

May 4, 1990 - 3rd earliest spring record
(Adult); Smithville Lake, Clay Co.; David Easterla, Todd Easterla; R & E, BB 57[3]:138.

May 17, 1974
(Female); Specimen (NWMSU; DLD 153); Maryville Sewage Lagoons, Nodaway Co.; No observer listed; R & E.

May 23, 1970 - 2nd highest and highest spring single day count
(50); Squaw Creek NWR, Holt Co.; David Easterla; R & E.

R & E: Normally not seen until the second week of May. Peak is during the last two weeks of May.

R & E: Late spring migrants are still passing through by early to mid-June.

R & E: Presumed non-breeders or early fall migrants are seen at the end of June and July.

July 13, 1983 - Highest summer single day count
(10); Alton Dam (now RMBS), St. Charles Co.; Bill Rudden; R & E, BB 50[4]:33.

R & E: Birds are readily observed throughout August, with peak in early to mid-September.

Sept. 15, 1977 - Highest single day count
(60); Alton Dam (RMBS), St. Charles Co.; Joe Eades et al; R & E, BB 45[1]:26.

Oct. 7, 1962
(2); Browning Lake, Buchanan Co.; Floyd Lawhon; R & E, BB 29[4]:26.

Oct. 22, 2006 - 2nd latest fall record
(Juvenile or basic adult); Photographed; RMBS, St. Charles Co.; Joshua Uffman; 20th Annual MBRC Report, 2006-75.

Photographed here by
Joshua Uffman, 22 Oct. 2006

Oct. 29, 2009 - Latest fall record
(One); RMBS, St. Charles Co.; Cornelius Alwood; 23rd Annual MBRC Report; 2009-84.