Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
P. H. Berridge
1966
Anas acuta
23 June Mercede River Coast Plain, 157°25'W, 70°28'N, A ladder to Acrothelia oo duct only - their beards shine. They are the slighest of the ducks here. No sign of closely paired birds.
25 June Found a nest with five eggs in the upper part of the willow flats across from the North dunes. The nest was well feather lined. The & flushed at 30 feet distance. A few pintails in a larger pool and some island of these.
29 June A & in the 1st lake on Village creek and seven birds in Lake Agassiz were the only ones seen.
30 June Two groups of males seen; they have lost the painted tail feathers now.
1 July Still many &'s on Lake Agassiz but they are now flanked up. A few &'s in the cove. In the afternoon flushed a & from a 7-egg nest in the willows along the Mercede, just beyond the creek S of South Creek.
5 July Only 1 or 2 seen on the flats opposite North dunes, and no nests located.
to 11 July Now very inconspicuous. Most of the males apparently left Lake Agassiz by 6 July and the & are either sitting or are out in the tall grass where I can't see them. No nests being followed, and no young seen.