Records
4 records, all museum specimens:

UWBM 43053: One chick and associated fragments of the hatched egg salvaged 27 June 1989, near Darrington, Snohomish County, estimated laying date 24 May (Reed and Wood, 1990).

UWBM 43031: One egg found on forest floor 25 July 1989, Long Island, Pacific County; no extrapolated laying date– contents decomposed.

UWBM 43098: One egg found on forest floor 7 July 1990, Long Island, Pacific County; no extrapolated laying date– contents decomposed.

WFZ 113,186: 1-egg set, collected 19 June 1925, Nooksak River, Whatcom County, estimated laying date 4 June (Kiff 1981).