northern Illinois
August 14, 1985, Waukegan, Lake County (Mary Biss, Rich Biss) (IBB 2:52) (Bohlen 1989)
August 15, 1964, Chicago, Cook County (Charles Clark) (AFN 18:511) (Bohlen 1978)
August 15 - December 4, 1971, Chicago, Cook County (10) (Larry Balch) (AB 25:5:864) (AB 26:1:72) (Bohlen 1978)
August 15, 1971, Evanston, Cook County (sub-adult) (Pierre Ferverda)
August 21, 1971, Waukegan, Cook County (2 adults) (Larry Balch)
August 18, 1973, Chicago, Cook County (Charles Clark) (AB 28:1:61)
August 18 - September 13, 1939, Lincoln Park, Cook County (William Dreuth) (Bird-Lore 41:6:10-11) (Clark and Nice 1950) (Ford 1956)
August 18, 1939, Lincoln Park, Cook County (William Dreuth)
August 21, 1939, Lincoln Park, Cook County (William Dreuth)
September 13, 1939, Lincoln Park, Cook County (William Dreuth)
August 19, 1985, Waukegan, Cook County (Mary Biss, Rich Biss) (IBB 2:2:52)
August 20, 1949, Wilmette, Cook County (Richard Zusi) (Ford 1956)
August 23, 1967, Wolf Lake, Cook County (Jeff Sanders) (AFN 22:1:49)
August 30, 1978, Chicago, Cook County (Larry Balch) (AB 33:183) (Bohlen 1989)
August - November 1970, Chicago, Cook County (5) (Larry Balch) (AB 25:1:66) (Bohlen 1978)
September 10, 1949, Montrose Harbor, Cook County (Amy Baldwin) (Ford 1956)
September 16, 1956, Chicago, Cook County (2) (Laurie Binford) (AFN 11:30) (Bohlen 1978)
September 20, 2007, Heidecke Lake, Grundy County (Scott Cohrs) (IBET)
September 23 - November 15, 1972, Chicago, Cook County (Larry Balch, Charles Clark, Jeff Sanders) (AB 27:1:69)
October 9, 1966, Northwestern University, Cook County (Bedford Brown, Ira Sanders) (IAB 140:14) (AFN 21:1:45)
October 14, 1976, Chicago, Cook County (Charles Clark) (AB 31:2:184)
October 15-31, 1974, Chicago, Cook County (AB 29:1:66)
October 18, 1994, Wilmette, Cook County (Jerry Rosenband) (MJIB 4:2:73)
October 18-19, 1967, Chicago, Cook County (Bedford Brown) (AFN 22:1:49) (AFN 22:5:613)
October 19-31, 1991, Wilmette, Cook County (John Koch) (MJIB 1:2:32)
October 19, 1991, Wilmette, Cook County (immature) (John Koch)
October 28, 1991, Wilmette, Cook County (adult) (John Koch)
October 31, 1991, Wilmette, Cook County (immature) (Eric Walters, Bob Hughes)
October 22, 1965, Chicago, Cook County (Bedford Brown) (AFN 20:1:54) (AFN 22:5:613)
Audubon Field Notes (20:1:54) dates this record October 2, 1965, Audubon Field Notes (22:5:613) dates this record October 22, 1965.
October 26 - November 1, 1958, Lincoln Park, Cook County (Charles Clark) (AFN 13:36) (Bohlen 1978)
October 28, 1995, Wilmette, Cook County (Eric Walters) (MJIB 5:2:74)
October 29, 1985, Waukegan, Lake County (Mary Biss, Rich Biss) (IBB 2:2:52) (Bohlen 1989)
October 31, 1993, Chicago, Cook County (Al Stokie) (MJIB 3:2:72)
November 2, 1992, Wilmette, Cook County (John Koch, Eric Walters) (MJIB 2:2:73)
November 2-3, 1991, Saganashkee Slough, Cook County (Wes Serafin) (MJIB 1:2:32)
November 2-6, 1985, Zion, Lake County (1/2) (Jerry Rosenband) (IORC 1985.130; JBM) (IBB 2:2:52) (IBB 4:3:61)
November 2, 1985, Zion, Lake County (Jerry Rosenband)
November 6, 1985, Zion, Lake County (Joe Milosevich)
November 4, 1992, Saganashkee Slough, Cook County (Wes Serafin) (MJIB 2:2:73)
November 5, 1990, Wilmette, Cook County (Eric Walters) (IBB 7:2:50)
November 5, 1990, Joliet, Will County (Joe Milosevich) (IBB 7:2:50)
November 6, 1985, Zion, Lake County (Joe Milosevich) (IORC 1985.130; JBM) (IBB 4:3:61)
November 10, 1994, Evanston, Cook County (John Koch) (MJIB 4:2:73)
November 15 - December 11, 1938, Lincoln Park, Cook County (William Dreuth) (Bird-Lore 41:1:57:58) (Clark and Nice 1950) (Ford 1956)
November 16, 1990, Evanston/Wilmette, Cook County (Eric Walters) (IBB 7:2:50)
November 18-19, 1988, Waukegan, Lake County (Joe Milosevich) (IBB 4:4:73) (IBB 5:2:47)
November 22, 1973, Chicago, Cook County (Ted Nork) (AB 28:1:61)
November 22, 1992, Wilmette, Cook County (Bob Hughes, Al Stokie) (MJIB 2:2:73)
November 24, 1995, Illinois Beach SP, Lake County (Al Stokie) (MJIB 5:2:74)
November 25, 1973, Chicago, Cook County (Charles Clark) (AB 28:1:61) (Bohlen 1978)
November 26, 1975, Evanston, Cook County (two) (Richard Sandburg) (AB 30:1:80) (Bohlen 1978)
November 26, 1986, Montrose, Cook County (Joe Milosevich) (IORC 1986.198; JBM) (IBB 3:2:40) (IBB 5:1:6)
November 26, 1992, Chicago, Cook County (Bob Hughes, Jim Landing) (MJIB 2:2:73)
November 26-27, 1983, Zion, Lake County (3) (Tom Pucelik) (SR 39:16) (Bohlen 1989)
November 26-29, 1987, Wilmette, Cook County (Joel Greenberg) (IBB 4:2:43)
November 27, 1985, Wilmette Cook County (Rich Biss) (IBB 2:2:52)
November 28, 1975, Chicago, Cook County (David Bohlen) (AB 30:1:80)
November 30, 1977, Wilmette, Cook County (Jerry Rosenband) (AB 32:2:213)
December 1, 1984 - January 1, 1985, Zion, Lake County (3) (IBB 1:2:1-10) (IBB 1:3:68)
December 4, 1988, Zion, Lake County (Rich Biss) (IBB 5:3:69)
December 4, 1990, Chicago, Cook County (Bob Hughes) (IBB 7:2:50)
December 6, 1984, Wilmette, Cook County (Rich Biss) (IBB 1:3:68)
December 10, 1989, Zion, Lake County (Jim Landing) (IBB 6:2:44)
December 11, 1985, Gillson Park, Cook County (Rich Biss) (IBB 2:3:76)
December 19, 1984, Chicago, Cook County (3) (AB 39:173) (Bohlen 1989)
December 20, 1970, Chicago, Cook County (David Easterla, Ted Nork) (AB 25:3:586) (Bohlen 1978)
December 25, 1979 - January 6, 1980, Chicago, Cook County (6/8) (Rich Biss, Steve Mlodinow) (AB 34:278) (Bohlen 1989)
December 26, 1982 - January 2, 1983, Barrington, Cook County (Steve Olson, Chuck Westcott) (AB 37:307) (Bohlen 1989)
December 30, 1973, Chicago, Cook County (Jeff Sanders) (AB 28:2:379)
December 1971, Calumet Harbor, Cook County (Jack Armstrong) (Bohlen 1978)
January 2, 1988, Zion, Lake County (Joel Greenberg) (IORC 1988.006; JG) (IBB 4:3:69) (IBB 5:1:6)
February 14, 1981, Zion, Lake County (Jim Neal) (SR 28:5) (Bohlen 1989)
April 2-3, 1986, Jackson Park, Cook County (Harriet Rylaarsdam) (IBB 2:4:94) (Bohlen 1989)
April 8-9, 1983, Chicago, Cook County (Rich DeCoster) (SR 37:17) (Bohlen 1989)
April 13, 1997, Jackson Park, Cook County (Paul Clyne)
April 23, 1990, Waukegan Beach, Lake County (Danny Diaz) (IBB 6:4:88)
April 24, 1994, Chicago Botanic Garden/Skokie Lagoons, Cook County (Laurie Binford) (MJIB 3:4:150)
April 25, 1985, Waukegan, Lake County (Rich Biss, Mary Biss) (IBB 1:4:87) (Bohlen 1989)
April 26, 1992, Waukegan, Lake County (2) (Danny Diaz) (MJIB 1:4:148)
April 27, 1976, Chicago, Cook County (Jerry Rosenband, Larry Balch) (Bohlen 1978)
April 29, 1938, Lincoln Park, Cook County (William Dreuth) (Bird-Lore 40:4:290-291) (Clark and Nice 1950) (Ford 1956) (Bohlen 1978) (Bohlen 1989)
May 1, 1990, Waukegan, Lake County (Michael Hogg) (IBB 6:4:88)
May 5, 1990, Waukegan, Lake County (Bob Hughes, Andy Sigler) (IBB 6:3:55-61) (IBB 6:4:88)
May 9, 1943, Lincoln Park, Cook County (William Dreuth) (AM 45:4:8-9) (Clark and Nice 1950) (Ford 1956)
May 18-19, 1981, Chicago, Cook County (Rich Biss, Jim Landing) (AB 35:830) (Bohlen 1989)
May 22, 1989, Waukegan, Lake County (Jim Neal) (IBB 5:4:87)
May 25, 1992, Waukegan, Lake County (Danny Diaz) (MJIB 1:4:148)
May 25-26, 1991, Great Lakes NTC, Lake County (Danny Diaz, Jim Neal) (IBB 7:4:96)
May 28, 1942, Chicago, Cook County (William Dreuth) (Clark and Nice 1950) (Bohlen 1989)
June 20 - July 2, 1989, Great Lakes NTC, Lake County (Jim Neal) (IBB 6:1:18-19)
June 20, 1989, Great Lakes NTC, Lake County (Jim Neal)
June 23, 1989, Great Lakes NTC, Lake County (Jim Neal)
June 24, 1989, Great Lakes NTC, Lake County (2) (Jim Neal)
July 2, 1989, Great Lakes NTC, Lake County (3) (Jim Neal)
July 11, 1999, Great Lakes NTC, Lake County (fide Dan Williams)
July 16, 1990, Chicago, Cook County (Bob Hughes) (IBB 7:2:50)
July 16-17, 1990, Wilmette, Cook County (Eric Walters) (IBB 7:1:19) (IBB 7:2:50)
July 16, 1990, Wilmette, Cook County (Eric Walters)
July 17, 1990, Wilmette, Cook County (2) (Eric Walters)
central Illinois
September 16, 1994, Lake Springfield, Sangamon County (David Bohlen) (MJIB 4:2:73)
September 2006, Lake Springfield, Sangamon County (David Bohlen) (Bohlen, in manuscript)
October 15-16, 2005, Lake Springfield, Sangamon County (David Bohlen) (Bohlen, in manuscript)
October 23 - December 1, 1996, Clinton Lake, DeWitt County (Bob Chapel) (MJIB 6:2:74)
October 23, 1996, Clinton Lake, DeWitt County (Bob Chapel)
November 2, 1996, Clinton Lake, DeWitt County (David Bohlen, Dan Kassebaum, Albert Seppi)
December 1, 1996, Clinton Lake, DeWitt County (Bob Chapel)
October 27, 1993, Clinton Lake, DeWitt County (Bob Chapel) (MJIB 3:2:72)
October 29, 1995, Clinton Lake, DeWitt County (Bob Chapel) (IORC 1995.060; RTC) (MJIB 5:2:74) (MJIB 7:2:56)
October 30 - December 4, 1994, Clinton Lake, DeWitt County (Bob Chapel) (MJIB 4:2:73) (MJIB 4:3:116)
November 1, 1989, Clinton Lake, DeWitt County (Bob Chapel) (IBB 6:2:44)
November 2, 2006, Chautauqua NWR, Mason County (Kevin Richmond) (IBET)
November 7, 1995, Pekin, Tazewell County (Kevin Richmond) (MJIB 5:2:74)
November 15, 1992, Clinton Lake, DeWitt County (Bob Chapel) (MJIB 2:2:73)
November 16-29, 1991, Lake Decatur, Macon County (Myrna Deaton) (MJIB 1:2:32)
November 16, 1991, Lake Decatur, Macon County (adult) (Myrna Deaton)
November 23-29, 1991, Lake Decatur, Macon County (immature) (Bob Chapel, Myrna Deaton)
November 20, 2007, Lake Decatur, Macon County (Myrna Deaton)
November 20 - December 20, 1992, Lake Springfield, Sangamon County (David Bohlen) (MJIB 2:2:73) (MJIB 2:3:111)
November 24 - December 8, 1990, Clinton Lake, DeWitt County (Richard Sandburg) (IBB 7:2:50)
November 24, 1990, Clinton Lake, DeWitt County (Richard Sandburg)
December 6-8, 1990, Clinton Lake, DeWitt County (Kevin Richmond, Richard Sandburg, Bob Chapel)
November 26 - December 2, 1991, Lake Springfield, Sangamon County (David Bohlen, Dennis Oehmke, Tedd Teeter) (MJIB 1:2:32) (MJIB 1:3:111)
November 26-27, 1991, Lake Springfield, Sangamon County (David Bohlen, Dennis Oehmke, Tedd Teeter)
December 2, 1991, Lake Springfield, Sangamon County (David Bohlen)
November 29, 1985, Lake Decatur, Macon County (Richard Sandburg, Richard Palmer) (IORC 1985.131; RP) (IBB 4:3:59)
(IBB 2:2:52) (AB 40:120) (Bohlen 1989)
December 4-15, 1991, Clinton Lake, DeWitt County (Richard Sandburg) (MJIB 1:2:32) (MJIB 1:3:111)
December 8, 1990, Clinton Lake, DeWitt County (Bob Chapel)
December 20, 1966, Illinois River at Chillicothe, Peoria County (Jeff Sanders) (IAB 141:12)
April 13 - May 14, 1995, Lake Decatur, Macon County (Myrna Deaton) (MJIB 4:4:151)
May 8-11, 1991, Spring Lake CA, Tazewell County (Kevin Richmond, Mike Baum) (IBB 7:4:96)
May 16-17, 1988, Chautauqua NWR and Clear Lake, Mason County (Louise Augustine, Kevin Richmond) (IBB 4:4:87)
July 29, 1994, Rice Lake CA, Fulton County (Kevin Richmond) (MJIB 4:2:73)
southern Illinois
October 5, 1992, Mark Twain NWR, Calhoun County (Jack Van Benthuysen, Helen Wuestenfeld) (MJIB 2:2:73)
October 16 - November 4, 1991, Carlyle Lake, Clinton County (Dan Kassebaum) (NN 63:10:102) (MJIB 1:2:32) (AB 46:1:98)
October 16, 1991, Dam East Boat Launch, Clinton County (adult) (Dan Kassebaum)
October 20, 1991, Dam East Boat Launch, Clinton County (adult) (Todd Fink, Dan Kassebaum, WGNSS)
October 21, 1991, Carlyle Lake, Clinton County (adult) (Jack Van Benthuysen)
November 4, 1991, West Spillway Access, Clinton County (1st winter) (Dan Kassebaum)
October 22, 1993, Carlyle Lake, Clinton County (Jack Van Benthuysen) (NN 65:10) (MJIB 3:2:72) (AB 48:1:116)
October 23-30, 1987, Carlyle Lake, Clinton County (Ron Goetz) (IORC 1987.115; RG) (IBB 5:1:5)
October 23, 1987, South Shore State Park, Clinton County (Ron Goetz) (NN 59:10:96) (IBB 4:2:43) (AB 42:1:83) (Bohlen 1989)
October 24, 1987, Carlyle Lake, Clinton County (WGNSS)
October 30, 1987, South Shore State Park, Clinton County (Ron Goetz)
October 26 - November 30, 2002, Carlyle Lake, Clinton County (Dan Kassebaum) (MJIB 12:2:74) (NAB 57:1:58)
October 26, 2002, South Shore State Park, Clinton County (Dan Kassebaum, Bill Rowe, WGNSS)
October 27, 2002, South Shore State Park, Clinton County (Dan Kassebaum, Kevin Richmond)
November 9, 2002, Coles Creek Boat Launch, Clinton County (Dan Kassebaum)
November 30, 2002, Carlyle Lake, Clinton County (Albert Seppi)
November 3, 1994, Carlyle Lake, Clinton County (Jack Van Benthuysen) (NN 67:1:6) (FN 49:1:54)
November 14-15, 1962, Frank Holten State Park, St. Clair County (Richard Anderson) (AFN 17:37)
(Anderson and Bauer 1968) (Bohlen 1978) (Bohlen 1989) (WGNSS 1995, 1998)
November 19, 2006, Rend Lake, Franklin County (probable) (Dan Kassebaum)
November 21 - December 7, 1989, Carlyle Sewage Pond, Clinton County (Bill Rudden) (NN 62:1:5) (NN 62:2:10) (IBB 6:2:44) (AB 44:2:275)
November 21, 1989, Carlyle Sewage Pond, Clinton County (Bill Rudden, Ron Goetz)
November 23, 1989, Carlyle Sewage Pond, Clinton County (WGNSS)
December 7, 1989, Carlyle Sewage Pond, Clinton County (Bill Rudden)
November 22-27, 2007, Carlyle Sewage Pond, Clinton County (Bill Rudden) (IBET)
November 22, 2007, Carlyle Sewage Pond, Clinton County (2) (Bill Rudden, later Dan Kassebaum)
November 23, 2007, Carlyle Sewage Pond, Clinton County (Leroy Harrison, Dan Kassebaum, Mark Seiffert, Bob Shelby, WGNSS)
November 24, 2007, Carlyle Sewage Pond, Clinton County (Leroy Harrison, Dan Kassebaum, Travis Mahan, Mark Seiffert, Bob Shelby, WGNSS)
November 25, 2007, Carlyle Sewage Pond, Clinton County (Dan Kassebaum, Keith McMullen, Mark Seiffert, Eric Walters, WGNSS)
November 26, 2007, Carlyle Sewage Pond, Clinton County (Steve Griffaw)
November 27, 2007, Carlyle Sewage Pond, Clinton County (Pat Lueders, WGNSS)
November 29, 1975, Rend Lake, Franklin County (Mike Morrison) (IAB 176:33) (AB 30:3:726) (Robinson 1996)
Illinois Audubon Bulletin (176:33) dates this record November 29, 1975. Robinson (1996) dates this record November 25, 1975.
December 6, 2003, Crab Orchard NWR, Williamson County (Trevor Hinckley)
February 27, 2004, Mermet LAKE SFWA, Massac County (Frank Bennett) (MJIB 13:3:113)
March 23, 2000, Mermet Lake SFWA, Massac County (Frank Bennett, Dan Kassebaum, Keith McMullen) (IORC 2000.020; FB) (MJIB 10:2:56)
March 29, 2008, Mermet, Massac County (Frank Bennett) (IBET)
April 2, 2004, East Fork Lake, Richland County (Leroy Harrison) (MJIB 13:4:149)
April 4, 1991, Mississippi River at Alton, Madison County (WGNSS 1995, 1998)
April 9, 1976, Crab Orchard NWR, Williamson County (Mike Homoya, Bruce Peterjohn) (IAB 178:31) (AB 30:4:849)
(Bohlen 1978) (Bohlen 1989) (Robinson 1996)
April 18-24, 1984, Carlyle Sewage Pond, Clinton County (Skip Russell) (NN 56:6:49) (NN 58:5:34) (WGNSS 1995, 1998)
April 18, 1984, Carlyle Sewage Pond, Clinton County (Skip Russell) (SR 41:18) (IAB 210:40) (AB 38:5:918) (Bohlen 1989)
April 24, 1984, Carlyle Sewage Pond, Clinton County (Phoebe Snetsinger)
Carlyle Sewage Pond, Clinton County
November 23, 2007 photo - Joseph Prosise