Opossums are the oldest animals

They appeared in the Cretaceous Period, when dinosaurs were still roaming the Earth. Surprisingly, they haven't changed at all for this period. Opossums have become renowned for an ingenious defense mechanism. They pretend to be dead while emitting an unpleasant odor. Their eyes glaze over and foam comes out of their mouths.

The black-and-white belly is vital to the leopard to keep its victims from noticing it when it's hiding in a tree.

Porcupines always keep their burrows clean and tidy. They make a bed of dry grass, and change it for fresh one from time to time.

Lovely seawater lagoon in Sumba, Indonesia 🇮🇩

On the way to Antarctica ❄️

Crustaceans are a huge group of arthropods.

Lava dripping from sea cliffs in Hawaii during the last volcanic eruption.

This spectacular phenomenon is very dangerous: when lava falls into salt water, a chemical reaction occurs that leads to the formation of a toxic cloud.

Picturesque Place - Tolantongo Hot Springs, Mexico 🇲🇽

The fugu fish inflates in case of danger, not by air, but by drawing in water 🐟

At present, the world population of polar bears is between 20 and 25 thousand, and its numbers are gradually decreasing.

Okenia rosacea common name Hopkin's Rose nudibranch, is a species from the sea snail.

Whalefish is a small deep-sea representative of the ray-fish family, including the more well-known tuna, swordfish, salmon, cod, and lanternfish.

Holothuria or sea cucumbers are a class of invertebrate animals of the echinoderm type. The species consumed as food are collectively called "trepang".

The African clawed frog belongs to the amphibians. They are a species of frog found in eastern and southern Africa.

The "banded piglet squid" is nicknamed by zoologists, reminding them of the cartoon pig.
It is rather hard to find it, as it lives in the depths and normally do not rise higher than a hundred meters.

Switzerland's breathtaking landscapes 🇨🇭

Pacific Rim National Park, Canada 🇨🇦

Such lava flows could be seen recently on the island of Palma, where the Cumbre Vieja volcano had been erupting for months.

Ice Caves of the Vatnajökull Glacier, Iceland 🇮🇸

Czech Switzerland: Hřensko 🇨🇿