It is a stocky, round-backed, round-tailed and grayish black water bird. It often dives on the surface or grazes on the ground it is enterprising. It lives and reproduces in the steppe, Mediterranean and temperate zones. It prefers waters with abundant reeds and reeds. It is gregarious. It makes its nest on water or in marshes with reeds and reeds. Before flying, they start flying by walking on the water for a while. Before diving, they fill their feathers with air. In this way, they prevent themselves from sinking. They often fight with their rivals, especially during the mating season.
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