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Assessing Breeding Populations of Ducks by Ground Counts

Table 2


Table 2. Recorded spring arrival dates of first duck pairs, 1953 to 1959.

Species Roseneath District Kindersley District
*1953 1954 1955 Range in Days 1956 1957 1958 1959 Range in Days
Pintail Mar. 29 Apr. 8 Apr. 1 10 Apr. 1 Mar. 25 Mar. 29 Mar. 20 12
Mallard Mar. 31 Apr. 8 Apr. 2 8 Apr. 4 Mar 25 Mar. 29 Mar. 23 12
Widgeon Apr.23 Apr. 12 Apr. 14 11 Apr. 10 Apr. 3 Apr. 4 Mar. 31 10
Green-winged teal Apr. 21 Apr. 16 Apr. 10 11 Apr. 17 Apr. 18 Apr. 6 Apr. 8 12
Shoveler Apr. 28 Apr. 18 Apr. 20 10 Apr. 12 Apr. 14 Apr. 4 Apr. 14 10
Gadwall Apr. 27 Apr. 25 Apr. 17 10 Apr. 21 Apr. 15 Apr. 18 Apr. 11 10
Blue-winged teal Apr. 29 Apr. 25 Apr. 17 12 May 3 Apr. 25 Apr. 24 Apr. 21 12
Canvasback Apr. 21 Apr. 19 Apr. 12 9 Apr. 16 apr. 15 Apr. 12 Apr. 11 5
Redhead Apr. 27 Apr. 18 Apr. 17 10 Apr. 18 Apr. 15 Apr. 10 Apr. 10 8
Lesser scaup Apr. 24 Apr. 19 Apr. 13 11 Apr. 16 apr. 15 Apr. 10 Apr. 15 6
Ruddy Duck May 5 Apr. 13 Apr. 25 18 May 14 May 12 Apr. 29 Apr. 21 23
* In 1952 all species were present prior to May 9, except ruddy ducks which were first seen on May 12.

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