Thoreau writes in his journal:
To Miles Swamp, Conantum.
The brother of Edward Garfield (after dandelions!) tells me that two years ago, when he was cutting wood at Bittern Cliff in the winter he saw something dark squatting on the ice, which he took to be a mink, and taking a stake he went out to inspect it. It turned out to be a bird, a new kind of duck, with a long, slender, pointed bill (he thought red). It moved off backwards, hissing at him . . .