Why is it called the hamadryas or 'cloak' baboon?

Adult males develop long silvery hair over their shoulders and temples that resembles a cape or mantle.

How is hamadryas baboon society structured?

It has a unique multi-level society: one-male harems combine into clans, clans into bands, and bands into troops of over a hundred individuals.

Hamadryas Baboonマントヒヒ

Papio hamadryasLC— Least Concern

The hamadryas baboon (Papio hamadryas) is a highly social Old World monkey of the Horn of Africa and southwestern Arabia, notable for the males' distinctive silver mane. It lives in a complex, multi-level society built around one-male harems nested within larger clans, bands, and troops. Revered as sacred by the ancient Egyptians, it remains classified as Least Concern despite local extinction in Egypt.

Hamadryas Baboon (reference photo) — Photo: Charles J. Sharp / CC BY-SA 4.0 / Source / cropped

Species Data

Classification: Primates / Cercopithecidae Source
Size: Males 70–80 cm, females 50–60 cm (tail 40–65 cm)
Weight: Males about 20 kg, females about 10 kg
Diet: Omnivore Omnivorous, eating insects, small reptiles, leaves, fruit, and seeds
Activity: Diurnal; at night, troops of over 100 gather to sleep on cliff faces
Distribution: Distributed across the Horn of Africa (Eritrea, Ethiopia, Djibouti, Somalia, western Sudan) and the southwestern Arabian Peninsula (Yemen, Saudi Arabia); it is now extinct in Egypt. Source
Sources: ja.wikipedia.org en.wikipedia.org

Did You Know?

Adult males grow long hair over the shoulders and temples that resembles a cape, giving the species its name. Source
Society is organized around one-male harems; if a female tries to leave, the male may bite her neck to keep her within the group, reflecting strict male control. Source
Ancient Egyptians considered the hamadryas baboon sacred, associating it with the god Thoth. Source

Where to See This Species

Operating facilities registered on this site: Japan 5

Adventure WorldWakayamaOpened in 1978

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Kiryuugaoka DoubutsuenGunmaIf driving, set your car navigation to "Kiryugaoka Amusement Park" (Kiryugaoka Yuenchi) rather than "Kiryugaoka Zoo" to reach the parking lot (searching by the zoo name may give an incorrect route).

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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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Chiba Zoological ParkChibaOpened in 1985

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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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Conservation Story

Conservation Status

Least Concern (LC)

Sources

ja.wikipedia.org

Support Conservation

A visit is a small, positive way to support the daily lives of the animals you care about.

Visit: A visit itself helps support the facility.
Animal Supporter Programs & Giving: Find ways to support the facility through its official website.
Furusato Nozei: Municipally run facilities may share official guidance for this Japanese hometown-tax program.

FAQ

Why is it called the hamadryas or 'cloak' baboon?: Adult males develop long silvery hair over their shoulders and temples that resembles a cape or mantle. Source
How is hamadryas baboon society structured?: It has a unique multi-level society: one-male harems combine into clans, clans into bands, and bands into troops of over a hundred individuals. Source
How many operating facilities are registered here?: Operating facilities registered on this site: Japan 5 Source

Books & gear

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