Phalacrocorax Carbo is commonly known as the Great Cormorant, but it has various synonyms depending on the region. In North America, it is referred to as the Black Cormorant, while in Australia, it's called the Australian Cormorant. The Great Black Cormorant and the Black Shag are other synonyms for this bird species found in Europe and New Zealand, respectively. Additionally, some other synonyms used worldwide include the Common Cormorant, Large Cormorant, Great Black Shag, and the European Cormorant. Despite the different names given based on location, the physical appearance, behavior, and habitat of this aquatic bird remain distinct.