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The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
An adult manatee will commonly eat up to 10–15% of its body weight, or 50 kilograms (110 lb), per day, which requires the manatee to graze for several hours per day. [49] By contrast, 10% of the diet of the African manatee is fish and mollusks . [ 50 ]
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.
M. arctodites was named in 1994 by Aranda-Manteca, Domning and Barnes based on three specimens found in California and Baja California, constituting the first valid record of this genus from the north-eastern Pacific. [5] The most recently described species is Metaxytherium albifontanum, described in 2014 by Jorge Vélez-Juarbe and Daryl P ...
A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.
California ground squirrel (Spermophilus beecheyi) Order: Rodentia Family: Sciuridae. Thirty species of squirrels, chipmunks, and marmots occur in California. Subfamily Sciurinae (tree squirrels and flying squirrels) Humboldt's flying squirrel, Glaucomys oregonensis. San Bernardino flying squirrel, G. o. californicus (CDFW special concern; endemic)
According to the California Department of Fish and Wildlife, Gray wolves were extirpated from California in the 1920s. One Facebook user said: “So excited. I hope this pack survives.
Invasive species in California, the introduced species of fauna−animals and flora−plants that are established and have naturalized within California.. Native plants and animals can become threatened endangered species from the spread of invasive species in natural habitats and/or developed areas (e.g. agriculture, transport, settlement).