R & E (1992): Normally the first arrivals are seen during the second week of April. However, it does not appear in numbers until the last few days of April and early May.

March 16, 1963 - Earliest spring record
(Number of individuals not listed); Rolla, Phelps Co.; F. Frame; R & E, BB 30[2]:26.

March 27, 1976 - 2nd earliest spring record
(1); Little Dixie Lake CA, Callaway Co.; Bill Goodge et al; R & E, BB 44[1]:27.

May 10, 1981 - Single day high count
(500); Callaway Co.; Rea Windsor; R & E, AB 35:830.

R & E (1992): Local but widespread throughout the state. Undoubtedly has increased significantly since presettlement as a result of an increase in manmade structures for nesting.

June 3, 1970
(Female); Specimen (NWMSU, DAE 2488); near Rock Port, Atchison Co.; R & E.

Nesting colony - Largest colony recorded
(nearly 400 nests); Benton Co.; No observer listed; R & E.

July 19, 1964 - Summer single day high count
(2500); St. Joseph, Buchanan Co.; Floyd Lawhon; R & E.

R & E (1992): By the end of July large concentrations are noted at large water impoundments.

R & E (1992): The largest concentrations (numbering in the thousands) are seen during Aug. Relatively large groups may be seen through the first half of Sept., but by the end of the month almost all have left. It is casual during the first week of Oct.

Aug. 2, 1964 - Single day high count
(5000+); St. Joseph and Squaw Creek NWR, Buchanan and Holt Co's.; Floyd Lawhon; R & E.

Aug. 10, 1946
(5000); Sugar Lake, Platte Co.; E. Newton; R & E, BB 13[11]:2.

Sept. 1, 1968
(5000); Squaw Creek NWR, Holt Co.; Floyd Lawhon; R & E, BB 36[4]:12.

Oct. 7, 1987 - 3rd latest fall record
(1); Horseshoe Lake, Buchanan Co.; Mark Robbins; R & E, BB 55[1]:12.

Oct. 19, 1954 - 2nd latest fall record
(1); St. Joseph, Buchanan Co.; Floyd Lawhon; R & E.

Nov. 1, 2009 - Latest fall record
(Adult); Photographed; Otter Slough CA, Stoddard Co.; Chris Barrigar (with photographs); 23rd Annual MBRC Report, 2010-15.