translate English to French: <500 000?h <300 000?h Bellrose 1980; CWS Waterfowl Committee 2003 Black Scoter Melanitta nigra
<500 000?h <300 000?h Bellrose, 1980; ComitÃ© sur la sauvagine du SCF, 2003 Macreuse noire (Melanitta nigra)