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Japanese macaque

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The Japanese macaque is a special kind of monkey found in Japan.

Snow Monkeys, Nagano, Japan
Snow Monkeys, Nagano, Japan

Many people call them "snow monkeys" because they live in very cold places. These monkeys live in areas where snow covers the ground for many months. They are the only primates that live so far north in such a cold climate. Their bodies are built for this chilly life. They have brownish-grey fur and pinkish-red faces.

Japanese Macaque Skull Nagano
Japanese Macaque Skull Nagano

Their thick coats actually grow even thicker when the temperature drops. This helps them survive in temperatures as low as -15 degrees Celsius. They are also excellent swimmers and can swim over half a kilometer.

These monkeys live in organized groups called troops.

Macaca fuscata, grooming, Iwatayama, 20090201
Macaca fuscata, grooming, Iwatayama, 20090201

The groups are built around female relatives. Females stay with their birth group for their entire lives. Males are different because they move to new groups once they are mature. Within these groups, there is a social hierarchy, which is a ranking system. This means some monkeys have more status than others. Females use grooming, or cleaning each other, to stay close and make friends.

Japanese Macaque Onsen Day 2015
Japanese Macaque Onsen Day 2015

Mothers even teach their babies these grooming skills through social learning.

History shows us how smart these animals can be.

Macaca fuscata, feeding time, iwatayama, 20081122
Macaca fuscata, feeding time, iwatayama, 20081122

Researchers at Koshima Island watched a female named Imo. She discovered a new way to eat sweet potatoes. Instead of just brushing off dirt, she washed the potatoes in river water. She even dipped them in salty seawater to season them. Soon, other monkeys in her troop began to copy her. This new behavior spread from one generation to the next. It shows how monkeys can develop their own unique cultures.

There are many interesting facts about their physical lives.

Snow Monkeys
Snow Monkeys

Males are usually larger and heavier than females. An average male weighs about 12 kilograms, while a female weighs about 8 kilograms. Their tails are very short, appearing as little stumps.

Macaca fuscata juvenile yawning
Macaca fuscata juvenile yawning

Mothers carry their infants on their bellies for the first four weeks. After that, the babies ride on their mothers' backs. Infants can move around well within three or four months. They usually stop drinking milk from their mothers by eighteen months old.

Japanese macaques connect to things we see in our own world.

For example, they use hot springs to stay warm in the winter. This is a lot like how humans use warm baths to relax. They even communicate using different sounds, like "coos" and "girneys." Some studies suggest they might even have different accents. This means monkeys in different areas might sound different when they call to each other. Their intelligence and social lives make them truly fascinating to watch.

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🖼️ Images & Media (12)
File:Japanese Macaque Skull Nagano.jpg
Japanese Macaque Skull Nagano.jpg
File:Macaca fuscata, grooming, Iwatayama, 20090201.jpg
Macaca fuscata, grooming, Iwatayama, 20090201.jpg
File:Snow Monkeys, Nagano, Japan.JPG
Snow Monkeys, Nagano, Japan.JPG
Jigokudani Monkey Park - hotsprings.ogv
File:Macaca fuscata male and female , Iwatayama, 20081019.jpg
Macaca fuscata male and female ,...
File:Snow Monkeys.jpg
Snow Monkeys.jpg
File:Macaca fuscata juvenile yawning.jpg
Macaca fuscata juvenile yawning.jpg
File:Japanese_Macaque_Onsen_Day_2015.jpg
Japanese_Macaque_Onsen_Day_2015.jpg
File:Kazuenokami Kato Kiyomasa Observing a Monkey with a Writing Brush LACMA M.84.31.456.jpg
Kazuenokami Kato Kiyomasa Observing a...
File:Geophagy and five Japanese monkeys.jpg
Geophagy and five Japanese monkeys.jpg
File:Macaca fuscata, feeding time, iwatayama, 20081122.jpg
Macaca fuscata, feeding time, iwatayama,...
File:Mori Sosen BaikaEnkou-zu.jpg
Mori Sosen BaikaEnkou-zu.jpg
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