MOURC Proceedings Archive - Whistling-Ducks, Geese, Swans, Ducks Accepted
Duplicates
This is the 1981 to present Records Committee Proceedings archive for
The Loon, journal of the Minnesota Ornithologists' Union.
The last 2 years are available to MOU members.
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Proceedings
Species: Whistling-Ducks, Geese, Swans, Ducks
Black-bellied Whistling-Duck
Fulvous Whistling-Duck
Ross's Goose
[Taiga Bean-Goose]
Brant
Mute Swan
Trumpeter Swan
Tundra Swan
[Whooper Swan]
Garganey
Cinnamon Teal
Eurasian Wigeon
Mottled Duck
Tufted Duck
Greater Scaup
King Eider
Common Eider
[Somateria eider]
Bufflehead
Barrow's Goldeneye
Smew

Mottled Duck (A) (Anas fulvigula)Start Date 2016-00-00
RefFirstLastLocationCounty23CommentStatus
188:912016-02-152016-02-16Rum River Dam, AnokaAnoka(record #2016-005, vote 10-0, origin vote 10-0). Adult male, photographed. First state record. The Committee also voted to accept the bird as wild. There are two genetically distinct and phenotypically identifiable subspecies of Mottled Duck: the Florida subspecies, A. f. fulvigula, occurring primarily in Florida, and the Western Gulf Coast subspecies, A. f. maculosa, which ranges from Alabama to south Texas and northeast Mexico. The bird was scrupulously researched and independently described by five observers. In addition, the Committee consulted an outside expert to further evaluate the question of hybridization. After discussion and deliberation, the Committee unanimously agreed that the bird was a Mottled Duck of the subspecies maculosa. While there was some discussion of the remote possibility of Mallard hybridization, the Committee determined that the bird had virtually none of the various plumage characteristics normally associated with a mixed species pairing. Given the range of plumage differences among members of this subspecies, the Committee agreed that the bird was within the normal scope of individual variation for maculosa. Accepted
avian
information
2016-02-152016-02-16Anoka2/15, 16 Anoka (first state record) (first county record)
First state record, 2/15–16 Anoka (adult male, Rum River Dam) ph. †KnM, ph. †PHS, ph. †AXH, ph. †RMD, ph. †ADS, ph. ToL, m.ob. Photos confirm it was of the Western Gulf Coast subspecies, A. f. maculosa.
94:1152022-08-21 Pelican Lake WMAWright (record #2022-078, vote 0-7). The Committee unanimously agreed the documentation of this species requires great attention to details to successfully eliminate other similar duck species. The same level of attention would also apply to the elimination of Mottled Duck hybrids. Unfortunately, sufficient details which would aid the identification of the species were lacking. Examples might include elaborate details of the tail, the presence or lack of a white border of the speculum, and the presence of a black spot on the gape. Not Accepted
 
 One winter record (2016).

Notes:

The information in the above table comes from several different sources. The count in column 1 indicates which of the sources is considered the primary source.
'Accepted' MOURC entries from The MOURC Proceedings
'Not Accepted' or 'Rejected' MOURC entry from The MOURC Proceedings
Accepted MOU records assembled by David Cahlander
Sighting records for ()
Avian information from the occurrence maps, in dark red, assembled by Robert Janssen. Seasonal report for the species/season published in The Loon or The Flicker has been added.
Information from The Loon index assembled by Anthony Hertzel and David Cahlander