translate English to French: However, the number of American Black Ducksâ€"the most abundant speciesâ€"increased by 24% in the helicopter component of the survey this year, in comparison to last year.
Par contre, cette annÃ©e, le nombre de Canards noirs – lâ€™espÃ¨ce la plus abondante – a augmentÃ© de 24 % pour la composante hÃ©licoptÃ¨re du relevÃ©, comparativement Ã lâ€™annÃ©e passÃ©e.