For a paler more honey-toned bottle with two ducks, see Au Hang, The Au Hang Collection of Chinese Snuff Bottles, Hong Kong, 1993, pp. 134-135, no. 177.
For a bottle with a duck and a parrot, see Hugh Moss, Victor Graham and Ka Bo Tsang, The Art of the Chinese Snuff Bottle, The J & J Collection, Hong Kong, 1993, vol. I, p. 209, no. 123