The sociable weaver’s nest sees plenty of guests—a regular Kalahari Desert inn! The South African pygmy falcon Polihierax semitorquatus relies completely on the sociable weavers’ nest for its own home, often nesting side by side with the sociable weavers. The pied barbet, familiar chat, red-headed finch, ashy tit, and rosy-faced lovebird often find comfort in the cozy nesting chambers, too. Vultures, owls, and eagles will roost on the nests’ broad roof. Why are weavers willing to share the huge nest they worked so hard to make? More residents mean more eyes keeping a watch for danger. And the weavers often learn from the other birds where new sources of food can be found.

via Colossal

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