The Collaborative International Dictionary of English v.0.48:

Brand goose \Brand" goose`\ [Prob. fr. 1st brand + goose: cf.
   Sw. brandg[*a]s. Cf. Brant.] (Zool.)
   A species of wild goose (Branta bernicla) usually called in
   America brant. See Brant.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Brant \Brant\ (br[a^]nt), n. [Cf.Brand goose, Brent,
   Brenicle.] (Zool.)
   A species of wild goose (Branta bernicla) -- called also
   brent and brand goose. The name is also applied to other
   related species.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Branta bernicla
    n 1: the best known variety of brant goose [syn: common brant
         goose, Branta bernicla]