translate English to French: Range-wide, large lakes remained partially frozen in mid-June; however, shallow lakes were open and nest sites were available.
Ã€ l'Ã©chelle de l'aire de rÃ©partition, les lacs importants Ã©taient encore partiellement gelÃ©s Ã la mi-juin; cependant les lacs peu profonds Ã©taient libres de glace et les sites de reproduction disponibles.