Anas obscura. Lake Umbagog, Maine. Anas obscura 1884 Oct 3 As nearly as I can ascertain by observation & from the guides the Black Duck does not feed at all by night, at least dark nights. Every evening about 50 birds come in small flocks from various directions to Moon Point where they drop into the grass apparently to roost after it is nearly dark. They will fly over & around a Sportsman who is not in the least concealed & it is evident that they cannot see well after the Wilton, Maine Anas obscura ✓ 1884 - October 21 - Black Ducks are very abundant here this year. I have had several capital opportunities to watch them, They feed during the whole day - as busily at noon as in the early morning. They usually choose some retired cove where the water is shallow & feed along the margin of the grass, in shallow pools among the grass and among the weedy islands & mud flats. When a large flock is thus engaged They usually post a sentinel - some old drake who climbs on an isolated tussock or mud flat will out in the open water. Here he sits erect and