Sharks

Sharks belong to the family of cartilaginous fishes. The difference between cartilaginous fishes and bony fishes is that the cartilage skeleton is lighter and more flexible. Sharks breathe through a number of gill slits, 5-7 gill slits are located on both sides of their body. All sharks have several rows of teeth. They lose their […]

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Crow

The crow is a large bird with clearly marked traits of the scavenger and predator. In the Far North, the favorite habitats of the crow are confined to the steep cliffs of the coasts of the seas of the Arctic Ocean. Often crows settle here near the bird markets, where they find abundant food in […]

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