What is a woolly mammoth
The
woolly mammoth is one of the most magnificent prehistoric animals, perhaps
because it became extinct only 4,000 years ago, and the remains and tusks of
this woolly mammoth are found throughout Eurasia and North America almost every
day,
Its
closest living relative is the Asian elephant, whose DNA holds the key to
efforts to bring the woolly mammoth back from extinction.
The
woolly mammoth is famous for its long, curved fangs, and mammoth ivory remains a
popular commodity among humans today,
When
and why did the woolly mammoth become extinct?
What
killed the woolly mammoth?
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What is a woolly mammoth |
The development and history of the woolly mammoth:
The oldest representative of the
mammoth genus is the South African mammoth, which appeared in what is now South
Africa during the Early Pliocene about 5 million years ago,
These
large terrestrial giants carried the same spiraling, twisted fangs of their
heirs, the steppe mammoth, and the woolly mammoth began moving away from the
steppe mammoth about 800,000 years ago in East Asia,
Which
made the Asian elephant its only living relative.
Steppe mammoth relatives traveled to
North America via the Bering Strait land bridge, starting 1.5 million years
ago, and eventually, the Columbian mammoth and many other species evolved,
Some
of them inhabited North America as far south as Mexico, and woolly mammoths
adapted to the cold climates of the north, while Colombian mammoths and other
smaller groups of species adapted to warmer climates, and the species is
believed to have interbred.
Can
the woolly mammoth be brought back?
The woolly mammoth is the most recent
ancestor of the first identified mammoth, with a habitat that eventually
covered most of Eurasia and North America,
Some
woolly mammoths survived approximately 3,700 to 4,000 years ago on Russia's
Wrangel Island and on the remote Taimyr Peninsula on mainland Siberia,
The
body of a mammoth was exhumed in Siberia in the spring of 1902 by a mission
sent by the Russian Academy of Sciences, an antique engraved illustration. From the United Nations Universe and
Humanity, 1910.
When
was the last woolly mammoth on earth?
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Mammoth species:
South African mammoth:
The
oldest mammoth species of the mammoth genus appeared about 5 million years ago
in the early Pliocene era in South Africa and East African countries, with a
concentration in Ethiopia,
He
already possessed ancestral traits including twisted spiral canines and torso.
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African mammoth:
The second oldest mammoth species
first appeared about 3 million years ago during the late Pliocene, and finally
about 1.65 million years ago during the early Pleistocene,
Fossils
have been found in Chad, Libya, Morocco and Tunisia.
Colombian mammoth:
This type of mammoth inhabited the
Americas as far north as the northern United States and as far south as Costa
Rica during the Pleistocene era.
It
was one of the last types of mammoths to end with the woolly mammoth.
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Cretan dwarf mammoth:
It is the smallest mammoth ever
found.
Skulls
of this species have been found on Mediterranean islands and have been proposed
as the basis for the ancient Greek myth of the giant,
This mammoth lived in the late Ice Age on the island of Crete.
Imperial Mammoth:
Another type of mammoth existed
during the Pleistocene era and inhabited the Americas from the northern United
States south to Costa Rica.
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Jefferson mammoth:
This mammoth inhabited the American West and Midwest during the late Pleistocene epoch.
Dwarf mammoth:
The dwarf mammoth or Channel Islands lived on three of the Channel Islands in California, United States during the late Ice Age.
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Southern mammoth:
Another Pleistocene mammoth, it roamed Europe and Central Asia.
Steppe mammoth:
The steppe mammoth was present in most of northern Eurasia during the Early and Middle Ice Age, approximately 1.8 million to 200,000 years ago, and evolved in Siberia from the southern mammoth.
Woolly mammoth:
The woolly mammoth lived during the
Pleistocene until its extinction during the Holocene, and this mammoth wandered
across Eurasia and North America and was perhaps the last in a series of
mammoth species that lived 4,000 years ago.
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Description of the woolly mammoth:
The woolly mammoth was the same size
as African elephants today, males were between nine and 11 feet high at the
shoulder, and females were slightly smaller - 8.5 to 9.5 feet at the shoulder، Males could weigh up to 12,000
pounds, females weighed 8,000 pounds, and the newborn woolly mammoth weighed
200 pounds.
Woolly mammoths were covered in fur,
likely keeping it warm in the winter environments in which they inhabited, and
genetic testing revealed that woolly mammoths ranged in color from blond to
dark brown or black, however،
They
are unsure whether there is an evolutionary advantage to this coloring, and
preserved woolly mammoth hair is often orange when found, but researchers
believe it is due to land conditions that alter pigmentation،
What
is most interesting is that genetic researchers who were used to determine the
color of animals are still present in animals today, including humans, and this
gene causes red hair to appear in humans،
In some other animals, it causes yellow or blonde hair.
The
woolly mammoth had long hoses, like elephants, and huge, curved fangs.
Researchers
believe it used its fangs in a similar way to modern elephants.
It
could use its fangs to fight and use its proboscis to handle objects and aid in
the search for food،
The
main difference between woolly mammoths and modern elephants is their ears,
they had much smaller ears, were more likely to reduce the chance of frostbite,
and besides their fangs, they had four large molars to grind their food,
His
molars will be replaced six times throughout his life.
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What does a woolly mammoth eat:
Woolly mammoths likely lived on a diet based primarily on grasses and sedges, which are grass-like plants with flowers, however، Evidence preserved in mammoths' stomachs shows that they also ate flowers, shrubs, tree material, and algae, and various specimens show that what mammoths ate depended on their location.
Some
evidence suggests that young mammoths may have eaten waste to promote the
growth of their vital intestinal area that would help them digest plants as
they grew and stopped drinking their mother's milk,
Since
the woolly mammoth was so large, it needed to eat a lot of food, and experts
believe it had to eat nearly 400 pounds of food every day,
He could have spent up to 20 hours a day searching for food.
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Home of the woolly mammoth:
The woolly mammoth lived in a type of
environment called the mammoth steppe or tundra steppe, and this region is
found in the northern regions of what we now call Asia, Europe, and North
America,
There
are actually two groups of woolly mammoths that experts are looking for to see
if they should be two different subspecies.
The
first group became extinct about 45,000 years ago and remained near the North
Pole,
The
second group became extinct about 12,000 years ago, and skeletons of this
species were found as far south as Shandong Province in China and Granada in
Spain.
The woolly mammoth may have arrived
in North America by crossing the land bridge over what is now the Bering Strait
more than 300,000 years ago,
Researchers
consider the woolly mammoth to be one of the most successful mammals of its
time because it was present in many places, and they estimate that its habitat
covers more than 3,3301,000 square kilometers,
Other
types of mammoths have been around for millions of years, and woolly mammoths
began to differ from other types of mammoths about 800,000 years ago, and they
became extinct in most places about 10,000 years ago،
Except
for isolated groups on islands that became extinct 4,000 years ago.
Woolly mammoths probably did not have
many predators, however, young mammoths and weak or sick animals were
vulnerable to wolves, cave hyenas, and large predatory cats of the era,
There
is some evidence that humans may have hunted woolly mammoths, but it is not
clear how widespread this was, and there were other smaller, easier-to-hunt
animals available to humans at the time,
What
is more common in mammoth skeletons is that humans excavate the remains after
they have already been killed by a predator or died of natural causes.
Threats facing woolly mammoths
The
threats to woolly mammoths were also environmental.
They
were sensitive to long winters when food was difficult to find, evidenced by
their fang growth rings that slowed in the winter.
One study of mammoth remains in North America found that the most common time of their death was in winter or spring when food was difficult to obtain.
Climate
change is also likely to pose a threat to woolly mammoths, and the recent
decline in woolly mammoth numbers occurred at the end of the last ice age,
however,
Experts
believe that the decline in woolly mammoth numbers may also have contributed to
the warming of the environment, and they no longer eat trees, especially birch
trees, which have an effect that absorbs and warms the sun's rays, therefore. Birch forests grew more easily and
could have warmed the environment by 0.2 °C.
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doesn't sound like much, but it had an impact.
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Discoveries and fossils of the woolly mammoth:
Mammoth skeletons are very abundant,
and simple research reveals many articles about finding hundreds of giant
skeletons in one place or another, and in 2020,
Nearly
200 skeletons were found at a construction site in Mexico City, and specimens
are abundant, however, there are some notable specimens that have helped
scientists learn a lot about the woolly mammoth,
There
are two woolly mammoth remains that can be found, skeletons or fossils, and actual
remains, and many woolly mammoth remains have been found frozen, however,
One mammoth was found in Poland with preserved soft tissue, and it was naturally mummified in an oil spill.
Early
18th-century frozen mammoth remains were chopped up and sold to the highest
bidder, and in the 19th century, some were fed to dogs! Fortunately, since then, scientists have
found many well-preserved frozen specimens to study, and some of the most
useful frozen mammoths are mammoth calves,
These
samples give us an idea of how mammoths grow and how to take care of their
young, for example, by studying these samples,
Scientists
believe that calves were cared for for 2-3 years before moving on to a
vegetarian diet
One
frozen mammoth found in 2013 still had liquid blood in its abdomen, leading
researchers to believe its blood may have had some anti-freezing capabilities.
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