R & E: Normally not encountered until the end of April, with peak in mid-May. Dramatic concentrations, like those seen in the fall, are almost never encountered in the spring.

March 20, 1992 - Earliest spring record
(1); St. Joseph, Buchanan Co.; Robert Snipes; 6th Annual MBRC Report, 1992-24, and 7th Annual MBRC Report Corrigenda.

April 14, 1984 - 2nd earliest spring record
Busch Stadium, St. Louis City; M. Andrew; R & E, NN 56[6]:48.

May 13, 1987 - Highest spring single day count
(25); Ted Shanks CA, Pike Co.; Keith McMullen; R & E, BB 54[3]:14.

R & E: Widmann (1907) stated that "very large flocks" were seen passing over St. Louis on May 25-27, 1882, but he gave no numbers.

R & E: Common summer resident statewide; the greatest concentrations are present in cities and towns.

R & E: Fall migration is in full swing by mid-August, and numbers peak in late August or early September. Large flocks (sometimes numbering in the hundreds/flock) continue to be seen through the third week in September, but numbers drop off drastically thereafter. It is regularly seen in much smaller numbers (usually only solitary birds are seen after the first week in Oct. through mid-Oct). but rarely into the third week of October.

Aug. 28, 1981 - Highest single day count
(1000); between Jefferson City and St. Louis; Jim Wilson; R & E, BB 49[1]:14.

Aug. 29, 1981 - Ties highest single day count
(1000); St. Louis, St. Louis Co.; Mark Peters; R & E.

Sept. 1, 1962
(Female); Specimen (NWMSU, DAE 836); Puxico, Stoddard Co.; David Easterla; R & E.

Sept. 9, 1985 - High count
(820); Jefferson Co.; Mark Peters; R & E NN 57:47.

Nov. 11, 1989 - Late
(1); Columbia, Boone Co.; G. Perrigo; R & E, BB 57[1]:49.

Nov. 14, 1987 - Late
(3); Farmington, St. Francois Co.; Steve Dilks; R & E, BB 55[1]:12.

Nov. 21, 1993 - Late fall record
(1); Little Blue Park, Jackson Co.; Don Arney; 7th Annual MBRC Report, 1994-4.

Nov. 24, 1993 - Latest fall record
(1); Tower Grove Park, St. Louis City; Jim Ziebol; 7th Annual MBRC Report, 1994-6.

Note: Any significant observations since R & E will be added at a later time.

Additional Nighthawk sp. Records