Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mason Lake
(♂ - ♀ - pair - young)
observations by
+ D.W. Johnston
* R. Wood
70
Mallard
Greater
Scamp
Common
Teal
R.T. Loon
PinTail
Northern
Phalarope
G.W.
Gull
May 15
-
0-1-2-0
-
-
-
-
21
-
-
-
-
-
-
23
-
0-1-1-0
-
-
-
2
25
-
-
-
-
-
-
27
-
-
-
-
-
-
June 3
-
-
3-0-0-0
-
-
2
-
5
0-0-1-0
0-0-1-0
-
-
-
-
8
1-0-0-0
0-0-1-0
2-0-0-0
-
-
-
-
10
-
1-0-0-0
-
-
-
-
11
-
1-0-0-0
-
-
-
-
12
-
-
1-0-0-0
-
-
-
-
15
3-0-0-0
1-0-0-0
2-0-0-0
-
-
-
-
+
19
-
-
-
-
-
-
-
+
23
-
-
-
-
-
-
-
25
-
-
3-0-0-0
-
-
-
-
+
26
-
-
-
-
-
-
-
+
28
-
-
-
-
-
-
-
+ July 1
-
-
1-0-0-0
1
-
2
-
4
0-0-1-0
-
-
-
-
-
-
8
-
-
-
1
-
-
-
11
-
-
-
-
-
-
-
15
0-3-0-0
0-1-0-0
4-3-0-0
-
-
-
-