Field notes, v667
Page 175
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
February 11, 1950 4:00 to 4:30pm With McAllisters Covered both ponds. Not near as many ducks present as during periods or winters of normal weather. Mallard - 250 Baldpate - 500 Green-winged Teal - 2 Canvasback - pair Scaup - 3 Bufflehead - 25 American Goldeneye - A beautiful male preening on a rock on the west moreland pond. Rudd Duck - 4 OAKS SLOUGH, PORTLAND, OREGON February 13, 1950 2:30 to 3:00pm Mallard - 25 Green-winged Teal - 100 Many more ducks are usually present on Oaks Slouth. The water was unusually low. Aqustic plants present included a Cyperaceae around the edges. No seed heads could be found. It appeared as though no seed pro- duction took place this year. Lots of Polygonum was pre- sent. Some Eleocharis, An abundance of Bidens, considerable amount of Ricciocarpus. Also a grass (submerged) which I have yet to identify.