Field notes, v667
Page 553
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