(4) 
SPRING MIGRATION NOTES OF THE CHICAGO AREA 
1913 1914 1915 1916 1917 1918 1919 1920 
132. Mallard Anas platyrhynchos 
Jan. 1 Mar. 22 May 6 Mar. 31 Mar. 17 Mar. 18 
Fairly common summer resident; occasionally winters. 
137 Baldpate Mareca americana 
Apr. 22 Apr. 9 Mar. 30 Mar. 31 Apr. 20 Mar. 18 
Formerly a common migrant; now apparently becoming rare. 
139. Green-winged Teal Nettion carolinense 
Apr. 15 Mar. 27 Mar. 11 
Uncommon migrant. 
140 Blue-winged Teal - Querquedula discors 
Apr. 20 Apr. 2 Apr. 22 Mar. 24 Apr. 2 6 Apr. 12 Apr. 10 
Summer resident. 
142 Shoveller ' Spatula clypeata 
Apr. 11 Apr. 5 Apr. 7 Apr. 25 Apr. 12 Apr. 24 
Fairly common migrant. 
143 Pintail Dafila acuta 
Apr. 15 - Apr. 7 May 11 Apr. 12 Apr. 17 
Fairly common migrant. 
144. Wood Duck Aix sponsa 
Feb. 18 Mar. 18 
Rare summer resident. 
146. Redhead Marila americana 
Mar. 22 Mar. 30 Mar. 21 
Fairly common, but erratic migrant. 
147. Canvasback Marila valisineria 
Mar. 1 Apr. 10 
Formerly common migrant, but becoming rare. 
14 9. Lesser Scaup Duck Marila affinis 
Mar. 30 Mar. 19 Feb. 15 Mar. 12 Mar. 25 Mar. 24 Jan. 1 Mar. 22 
Abundant migrant sometimes wintering. 
150. Ring-necked Duck Marila coUaris 
Mar. 30 Mar. 28 Mar. 12 Mar. 31 Apr. 12 Apr. 24 
Uncommon migrant. 
151. Goldeneye Clangula clangula americana 
Mar. 30 Mar. 19 Jan. 1 Jan. 2 Feb. 1 Mar. 11 Jan. 1 Jan. 1 
Very common w^inter resident. 
15 2. Barrow's Goldeneye Clangula islandica 
Jan. 13 
Very rare winter visitant. Taken once in the area, by Woodruff. A flock 
of six wintered in 1919-1920. 
15 3. Bufflehead Charitonetta albeola 
Mar. 31 Apr. 1 Apr. 1 Mar. 11 Mar. 7 Mar. 2 5 
Fairly common migrant. 
15 4. Oldsquaw Harelda hyemalis 
Jan. 5 Jan. 17 Feb. 29 Feb. 1 Feb. 22 Jan, 11 
Common winter resident. 
./ 
