They appear to be Trumpeter Swans. They showed curved necks a lot as they actively fed. Occasionally, the neck straightened out into a Trumpeter pose.
Perhaps someone can use a telescope to get a better look. -- Don Beimborn ---- Join or Leave mou-net: http://lists.umn.edu/cgi-bin/wa?SUBED1=mou-net Archives: http://lists.umn.edu/archives/mou-net.html

