What animal lives in the upper layer of the forest?

Conventionally, the forest ecosystem can be divided into several tiers, which in another way can be called floors. As in a multi-storey building, each floor has its own representatives of flora and fauna (flora and fauna). The lower tier (floor) is occupied by shade-tolerant plants and animals. They can be in the shade for a long time.

The uppermost tier is occupied by birds, various animals capable of leading an arboreal lifestyle, for example, squirrels, which equip their burrows there. The birds make their own nests, where they live, and later feed the chicks. The upper tier is relatively safe as predators cannot reach it.

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