Explanation of the characteristics, ecology, and habitat of polar bears Bears you can see at the zoo

Arctic

We will explain the latest information on the characteristics, ecology, and habitat of polar bears. Polar bears, which live in the northern countries above, are distributed in northern North America and northern Eurasia, and are animals that are adapted to the coldest regions. They are also very popular at zoos, so many people know about them.

What is a polar bear? About basic status

Polar bears are carnivores classified in the class Mammalia, carnivora, family Bear, genus Bear. The scientific name is Ursus maritimus. They are gigantic animals, reaching a length of 200 – 250 cm and a weight of up to 800 kg, making them larger than humans. Born in the world of ice, males are larger than females. Please refer to the list below.

Japanese(和名)ホッキョクグマ
English(英名)Polar bear
scientific name(学名)Ursus maritimus
classification(分類)Mammalia、 Carnivora、Ursidae、Ursus
哺乳綱、食肉目、クマ科、クマ属 
IUCN Status(保全状況)VULNERABLE
Length(体長)200 – 250cm
Weight(体重)340 – 800kg

About classification

Carl Linnaeus classified the polar bear as a type of brown bear, and in the 1758 edition of his book The System of Nature he classified the polar bear as his Ursus maritimus albus-major, articus. There is a strong theory that polar bears are a different species, as they live further north than brown bears, in the Arctic Circle and the Drift Ice Circle.

About polar bear habitat

Polar bears are active in the Arctic Circle. It is an animal that is very resistant to cold. It can also be seen in North America. It is very widespread, being found in Greenland, Iceland, Canada’s Hudson Bay, James Bay, and Newfoundland.

feature is? What kind of creature is it?

Polar bears are characterized by their completely white entire body. Not only its coat color, but also its body shape is different from other bears; it has a long body, narrow shoulders, and short, rounded ears. The body hair consists of a 5cm undercoat and a 15cm overcoat, and each limb has 5 fingers. They live alone near the coast, and when they have time in the snow, they travel over a wide area in search of prey.

What will your personality look like?

Polar bears are ferocious and ferocious and often attack humans. In some cases, adult males have died. Polar bears are larger than humans and are very strong.

What is the ecology of polar bears?

Polar bears are carnivorous and subsist on seals and fish. Depending on the time of year, they swim in the icy ocean with their large bodies to search for them. The breeding season is from March to June, and the gestation period is 195 to 265 days. Females can give birth to 1-4 cubs in one litter. Sexual maturity occurs in 5 to 6 years. Lifespan is 30-35 years.

What are polar bears’ natural enemies?

The natural enemy of polar bears is humans. However, there are killer whales in the sea, which are some of the strongest enemies, and they are often eaten.

Are polar bears an endangered species?

Polar bears are listed as an endangered species. The estimated population is said to be 22,000 to 30,000. The reasons why the population is decreasing are as follows. Zoos and organizations have begun to protect them, and exhibits are being shown at events.

Impact of climate change

One example is the impact of climate change. It is said that the areas where polar bears can live will decrease with global warming. It is predicted that two-thirds of the world’s polar bears could become extinct by 2050.

Starvation due to lack of food

There is also the possibility of starvation due to lack of food. It has been suggested that global warming may change the areas in which the seals and fish that feed on animals are active, making it difficult to secure food in nearby areas. Lack of nutrition is said to reduce the reproductive rate of adult females and increase the mortality rate for cubs and young bears, putting their future in jeopardy.

Can polar bears be bred?

Polar bears live in extremely cold regions and are ferocious, so they are not suitable for human care.

コメント

Copied title and URL