 
Lutra maculicollis. The spotted-necked otter is a playful, aquatic animal found in lakes, rivers and swamps of south and central Africa. It has a short coat with dense underfur and reddish or brown spots on its cheek, throat and upper chest. The otter preys mainly on fish and is active during the day, near dusk or on moonlit nights. The spotted-necked otter is a slow, short-winded swimmer and despite its webbed hands, has good manual dexterity.
  Hippopotamus amphibius. The hippopotamus is the third largest land mammal in the world although it lives in an aquatic environment. Hippos have four webbed toes on each foot and typically reside in slow-moving or still waters. Only found in Africa, females can weigh up to 5,000 pounds; males up to 7,000 pounds. A sticky fluid secreted through pores in hippos' skin serves as both an antibiotic and sunblock. The name hippopotamus means river horse.
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  Okapi johnstoni. The only known living relative of the giraffe, the rare and elusive okapi is found in the immense Ituri Forest of the northeastern Democratic Republic of Congo (DRC). It has a velvety, reddish-brown coat and black and white, horizontally striped legs. It has a long, bluish-black prehensile tongue it uses to clean its ears as well as wrap around high acacia branches. The San Diego Zoo, one of only 25 zoos in the world to exhibit okapi, contributes to the DRC's Okapi Wildlife Reserve to help preserve this rare animal and its habitat.
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