a rare dark-color phase of the beaver.
- 1670  (1900)  And further, we do, by these presents for us, our heirs and successors, make, create and constitute the said governor and Company, for the time being, and their successors, the true and absolute lords and proprietors of the same territory, limits, and places aforesaid . . . yielding and paying yearly to us, our heirs and successors, for the same, two elks and two black beavers, whensoever and as often as we, our heirs and successors, shall happen to enter into the said countries, territories and regions hereby granted.
- 1795  (1911)  Black beaver, and that of a beautiful gloss, are not uncommon . . . but it is rare to get more than twelve or fifteen of their skins in the course of one year's trade.
- 1939  . . . in 1927 . . . George W. Allan . . . presented two elk heads and two black beaver skins to H.R.H. the Prince of Wales en route to his ranch in Alberta.