Sir William Jardine's illustrations of the duck tribe..Dumfries, N.B. :Privately printed at the expense of the author,[1840?].biodiversitylibrary.org/page/36001898
2 of 4 on the Great Salt Lake,Utah. I assume the pink in the bill on the one on the left means its a immature Male? Sighting flagged fro confirmation at www.ebird.org.