Primitive Technology
Animals

What animals are ‘rare, hard to find’ on earth?

The natural world contains many interesting things that humans have not discovered yet. The endangered ‘green-haired turtle that breathes through its holes or the ‘silent’ jellyfish that can still attack people, etc. are all exceptionally unique animals around the world.

The Mary River Turtle is a species native to Queensland, Australia. They have the characteristic of growing green algae on their heads and breathing through their genitals. This species is in danger of extinction due to poaching by humans.

The Mary River turtle with its green erect “hair” made from algae growing on its body is listed by the Zoological Society of London (ZSL) as the most vulnerable reptile, the Guardian reported on April 11. This 40cm long turtle lives only on the Mary River in the state of Queensland, Australia, and can breathe through its genitals. Their gentle nature makes them popular pets.

The gill-like organ inside the cloaca, the organ used for excretion and mating in reptiles, allows the Mary River turtle to stay underwater for up to three days. However, they cannot hide from pet collectors. Their nests were often searched in the 1960s and 1970s.

The Mary River Tortoise ranks 30th on the Global Endangered Species list and the ZSL’s evolutionary characterization for reptiles. Previously published lists are categorized by amphibians, birds, corals, and mammals, helping to guide conservation work for the 100 most at-risk species. Each species is scored based on extinction risk and evolutionary uniqueness. Topping the list this year is the Madagascar big-headed tortoise being hunted for food and traded.

“Reptiles receive less attention for conservation than birds and mammals. However, the endangered reptile list shows just how unique, interesting and vulnerable these creatures really are.” Rikki Gumbs, the coordinator of ZSL, said.

Jellyfish “sleeping” can still attack people

The upside-down jellyfish scientifically known as Cassiopea Xamachana belongs to the genus Cassiopea, which produces a lot of sticky mucus to trap small prey such as saltwater shrimp (scientific name is Artemia). Some fish even died in the slime. When divers swam near these jellyfish, they felt a stinging sensation in their skin, despite never coming into contact with the invertebrates.

The sensation is often described as an unpleasant itch or burning, laboratory tests of this venom have shown that overexposure can cause adverse effects such as hemolysis of red blood cells, electrical reactions in cell membranes. .

For Dr Angel Yanagihara, a biochemist and jellyfish expert at the University of Hawaii, the new findings raise some longstanding questions about the stinging sensation of water.

Dr. Yan explains: “Mucus is just an allergen but I don’t believe it. So the results of the study made me quite satisfied to see such an elaborate description and precise analysis of what it is. upside-down jellyfish dropping into the water.”

Dr. Yanagihara added that the upside-down jellyfish are also known as Medusozoa. They know how to swim by nature, but strangely Cassiopea has evolved to sit on the ocean floor, like its distant cousin the sea anemone.

Rare white elk like in the myth

A rare white moose was discovered in Gunnarskog, Varmland province, Sweden. There are currently only about 100 white moose in Sweden.

They are not albino but have a defect in the genetic code that causes a lack of pigmentation. This condition is called leucism. They may have lighter, partially, or completely white fur. However, the eyes and nails remain a normal color in most cases, unlike albinism. These rare white deer are sometimes called “soul deer” by the natives because of their rarity and purity.

White elk individuals are protected by special protection under the 1997 wildlife conservation law. Accordingly, albino or genetically mutant moose with more than 50% white body color will be banned from hunting. opposite to.

The elk is the largest extant member of the deer family, distributed mainly in Europe and North America. Adults can be over 2.1m tall and weigh more than 600kg

Elk are distinguished by the membranous antlers in males; Other members of the same family have twig-like antlers (“twig-like”).

Octopuses have the ability to separate tentacles

The Paper Nautilus octopus is also one of the strangest creatures on earth. Males are capable of detaching their own penises during the breeding season to mate and then grow new ones.

This octopus has the ability to detach its tentacles when in danger to distract enemies. The third “left arm” of males of these two species is also capable of developing a detachable penis. Obviously, after separation, that “penis” still swims after the female and has normal intercourse.​

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