Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
October 16, 1951, Los Banos Refuge, Merced Co. Calif.
Waterfowl Count by Roy M. Wattenburger and Nick Ermacoff.
White-fronted Goose - 50
Snow Goose - 22
Mallard 650
Gadwall - 38
Baldpate - 50
Pintail - 590
Greenwinged Teal - 275
Shoveller - 75
Ring-necked Duck 2
Ruddy Duck 23
Unident- 450
Coot 635
Populations have been decreasing since
more water is being put on the grasslands
after October 1.
1st Baldpates and Gadwalls this census.
Oct. 25, 1951, Los Banos Refuge, Merced Co. Calif. 1100-1130PST.
White Pelican - 1
Blue Heron - 3
Common Egret - 1
Snowy Egret - 1
Mallard - 1,800-2,000
Green-winged Teal - 35
Pintail - 20
Shoveller - 20
Red-tailed Hawk - 4
Marsh Hawk - 6
Sparrow Hawk - 3
Pheasants
Gallinule
Coots - 250-300
Avocet - 43
Black Phoebe
Marsh Wren
Calif. Shrike
Redwings, Bicolor and Tricolor
Brewer Blackbir
October 25, 1951, Mendota Pool, Fresno Co. Calif. 1345-1410PST.
Eared Grebe - 2
Pied-billed Grebe - 3
Farallon Cormorant - 2
Blue Heron - 3
Common Egret - 2
Green Heron - 1
Bittern
Fulvous Tree Duck - a total of 116 seen, of which 18 were not yet half-grown.
They were perched on muddy flat at waters edge and swimming in water.
Mixed with shovellers - when flushed, the trees and shovellers separated into
their own flocks. The air was full of the trees high-pitched calls.
Shoveller - 30
Redhead - 17
Ruddy Duck - 40
Bald Eagle
Marsh Hawk
Sparrow Hawk
Gallinule - 1
Coot - 96
Killdeer
Forster's Tern - 1
Red-shafted Flicker
Black Phoebes
White-crowned Sparrow
Song Sparrow