MOSS LANDING — A juvenile king eider was spotted at Elkhorn Slough in late December, the first such sighting in nearly 20 years.
The king eider is large duck that breeds in Arctic waters during the summer and winters along the coasts of the North Atlantic and Aleutian Islands, according to the Cornell Lab of Ornithology website.
Photographs on the website show an adult male, notable for its brightly colored head, featuring a red-orange bill with a large paler orange knob outlined in black. Its body is black with a white chest. The female is brown and black.
Capt. Yohn Gideon, skipper of the Elkhorn Slough Safari, said the sightings on Dec. 27 and 28, were the first time a king eider has been spotted on one of his tours in 18 years.