Sentence:  I have given you roe and reindeer, / I have given you <WSD>brant</WSD> and beaver, / Filled the marshes full of wild-fowl, / Filled the rivers full of fishes; / Why then are you not contented? / Why then will you hunt each other? 
Meaning of the word marked with <WSD> tags:  Any of several wild geese, of the genus "Branta", that breed in the Arctic, but especially the brent goose, "Branta bernicla".