Hippopotamusカバ

Hippopotamus amphibiusVU— Vulnerable

The hippopotamus (Hippopotamus amphibius) is a massive semi-aquatic herbivore of sub-Saharan Africa's rivers and lakes, spending days submerged to regulate body temperature before grazing on land at night. Despite its plant-based diet, it is considered one of Africa's most dangerous animals. Classified as Vulnerable by the IUCN, it has been extirpated from several countries within its historic range.

Hippopotamus (reference photo)
Photo: Bernard DUPONT from FRANCE / CC BY-SA 2.0 / Source / cropped

Species Data

Classification
Artiodactyla / Hippopotamidae Source
Size
290–505 cm
Weight
Males average about 1,480 kg, females about 1,365 kg (large individuals reach 2,660 kg)
Lifespan
Wild: 40–50 years / captive: record of 65 years
Diet
Herbivore Herbivorous, feeding almost exclusively on grass; eats about 40 kg a night while traveling 3–5 km
Activity
Nocturnal; spends the day in water or mud to regulate body temperature
Distribution
Found in rivers and lakes across sub-Saharan Africa; the species has been extirpated from Algeria, Egypt, Eritrea, Mauritania, and Liberia. Source

Did You Know?

  • Its skin secretes a reddish mucus that acts as a natural sunscreen, protecting against UV rays and bacterial infection. Source
  • Its closest living relatives are cetaceans (whales and dolphins), from which it diverged roughly 55 million years ago. Source
  • By weight, it ranks as the third-heaviest living land animal after elephants and rhinoceroses. Source

Where to See This Species

Operating facilities registered on this site: Japan 23

Adventure WorldWakayamaOpened in 1978

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Ishikawa DoubutsuenIshikawaAbout 60 minutes from the Kanazawa-Morimoto Interchange on the Hokuriku Expressway, about 40 minutes from the Kanazawa-Nishi Interchange, and about 20 minutes from the Komatsu Interchange.

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Obihiro DoubutsuenHokkaidoFrom Obihiro Station, take the Tokachi Bus (Route 70, bound for Ozora Danchi) for about 18 minutes to the Dobutsuen-mae stop, then walk about 300 m; or take the Takushoku Bus for about 16 minutes to the Midorigaoka 6-chome Hakubutsukan Iriguchi stop, then walk about 600 m.

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Asahiyama ZooHokkaidoOpened in 1967

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Utsunomiya DoubutsuenTochigiAbout 5 minutes from the Utsunomiya IC on the Tohoku Expressway; free parking for 1,000 cars.

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Kyoto City ZooKyotoOpened in 1903

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Kumamotoshi DoushokubutsuenKumamotoTake the tram bound for Kengun and get off at the Doshokubutsuen-Iriguchi stop, then walk 10 minutes.

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Sapporoshimaruyama DoubutsuenHokkaidoOpened in 1951

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Hirakawa ZooKagoshimaAbout a 20-minute walk from Goino Station on the JR Ibusuki-Makurazaki Line, or take a bus bound for Taniyama / Dobutsuen from Fukuhira Nokyo-mae to the last stop.

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Shuunanshitokuyama DoubutsuenYamaguchiOpened in 1960

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OJI ZOOHyogo3 minutes on foot west from Oji-Koen Station on the Hankyu line.

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Nagasaki Bio ParkNagasakiOpened in 1980

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Tennoji ZooOsakaOpened in 1915

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Ueno ZooTokyoOpened in 1882

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TOBU ZOOSaitamaFrom Tobu-Dobutsu-Koen Station (west exit), about 10 minutes on foot (600 m) or about 5 minutes by bus.

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Nasu SafariParkTochigiAbout 15 minutes from the Nasu IC or about 25 minutes from the Kuroiso-Itamuro IC on the Tohoku Expressway.

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Hitachishikamine DoubutsuenIbarakiAbout 5 minutes from the Hitachi-Chuo Interchange on the Joban Expressway via National Route 6.

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Himeji Shiritsu DoubutsuenHyogoOpened in 1951

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Fuji Safari ParkShizuokaOpened in 1980

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Fukuoka Zoo & Botanical GardenFukuokaOpened in 1953

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Iwate SafariParkIwateAbout 45 minutes from the Ichinoseki IC, about 30 minutes from the Wakayanagi-Kannari IC, or about 25 minutes via National Route 284.

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Latest news

6

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Conservation Story

Conservation Status

Vulnerable (VU)

Sources

ja.wikipedia.org en.wikipedia.org

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FAQ

Why does the hippo spend so much time in water?
It stays submerged in water or mud during the day to regulate its body temperature, emerging at dusk to graze on land. Source
What is the hippo's closest living relative?
Genetic evidence shows cetaceans (whales and dolphins) are its closest living relatives, having diverged from a common ancestor about 55 million years ago. Source
How many operating facilities are registered here?
Operating facilities registered on this site: Japan 23 Source

Books & gear

Source: ja.wikipedia.org en.wikipedia.org