Domain: Eukaryotes Kingdom: Animals Subdomain: Eumetazoi Without rank: Bilaterally symmetrical Without rank: Second-winged Type: Chordate Subtype: Vertebrate Infratype: Maxillary Supraclass: Four-legged Class: Mammals Subclass: Beasts Infraclass: Placental Squad of Squad: Squadron: Squad: Squad: : Kunya Subfamily: Kunya itself Genus: Marten Species: Marten Marten is a predatory mammal of medium height, with a beautiful body and large tail.

Description and features of possums Opossums are small mammals, they also belong to the infraclass of marsupials. The first representatives appeared a long time ago, at the end of the Cretaceous. Since then, they have not changed much. This is evidenced by their morphology, firstly, the structure of the bag and limbs, and secondly, the location of the teeth according to the archaic formula: five incisors on the top, four on the bottom, fangs and molar teeth are well developed.

Astrilda (Estrilda) - small in size birds belonging to the family of finch weavers (Estrildidae). The genus Astrilda is represented by seventeen main species. Description and appearance Reel weavers, regardless of species, have a practically translucent beak, and external data can vary significantly: Swamp Astrid (Еstrildа luludiсola) - has a body 10 cm long.

American wire-haired cat (English American wirehair) is quite rare to find even in their homeland, but if you buy it, you will not regret it. Like other American cats, wirehaired is suitable for people and families. She will be a cozy domestic cat curled up at your feet, and an energetic yard cat who plays tirelessly with children.

Domain: Eukaryotes Kingdom: Animals Subdomain: Eumetazoi Without rank: Two-sided symmetrical Without rank: Second type: Chordate Subtype: Vertebrate Infratype: Maxillary Group: Fish Group: Bone fish Class: Beam and feather fish Subclass: Newfin fish Infraclass: Bony fish bony fish Superorder: Prickly-fowl Series: Perkomorphs Order: Anabantiformes Suborder: Caterpillars Family: Macropods Genus: Macropods Species: Macropods Macropods were among the first to appear in Europe’s aquariums - perhaps only to goldfish.

In the south of Eastern Siberia, an extraordinary miracle of nature spreads - Lake Baikal. It divides the Republic of Buryatia and the Irkutsk region. Lake Baikal is the deepest freshwater reservoir on Earth. Its greatest depth reaches 1642 meters. Even if we compare the entire volume of water belonging to the Great Lakes located in North America, the Russian Baikal will be the undisputed leader.

A beautiful, mammalian animal from the family of marten sable. He is the national pride of Russia. For a long time and up to now, lovers of all the beautiful have been delighted with it. This is one of the main components of the fur industry in Russia. Before the October Revolution, the animal was almost exterminated.

In addition to fish in artificial reservoirs of most aquarists, you can meet other no less colorful inhabitants. And precisely to such magnificent snails Akhatin can be attributed. Description These mollusks are considered one of the largest. So, an adult can reach up to 300 mm in length. They are found, as a rule, only in the subtropics.

The naturalist A. Levenguk, who invented the microscope, was the first to see and describe the hydra. This scientist was the most significant naturalist of the XVII-XVIII centuries. Examining aquatic plants with the help of his primitive microscope, Levenguk noticed a strange creature that had arms "in the form of horns."

For a long time, scientists argued who such a platypus is. Either a bird, or a beast. The animal platypus combines the qualities of both. Platypus (Ornithorhynchus anatinus) Beast? After all, he feeds cubs with milk and has a short brown-brown coat. Bird? He has a wide beak, like a duck, a cesspool, like all birds, for which he was assigned, like a echidna, to single-pass animals.

In ancient times on Earth, bears were one of the most diverse and numerous animals. There were several dozen species. Today, the fauna of our planet has left only four species groups of these mammals. One of them is the Ussuri (Himalayan) bear, which refers to predatory animals representing the bear family.

The shrew is a shrew belonging to the order of insectivores, outwardly resembling a forest mouse. These animals have distant kinship with hedgehogs and moles. The shrew got its name due to the fact that the tops of its teeth are reddish-brown. Types of shrew There are a fairly large number of animals belonging to the genus of shrew.