Vietnamese Thú biển Cited by user Lcsnes on 18 Jan 2023 thumb|300px|[[Cá voi lưng gù (Megaptera novaeangliae)]] thumb|300px|[[Hải cẩu báo (Hydrurga leptonyx)]] Thú biển hay động vật có vú biển là các loài thú (động vật có vú…
English Marine mammal Cited by user Dunkleosteus77 on 02 Aug 2016 Marine mammals are aquatic mammals that rely on the ocean and other marine ecosystems for their existence.
English Killer whale Cited by user Materialscientist on 23 Sep 2010 The killer whale (Orcinus orca), also referred to as the orca whale or orca, and less commonly as the blackfish or grampus, is a toothed whale belonging to the oceanic…