Miraculously, the small worm can build giant bird nests, sometimes several meters tall and weigh a ton, on the vast desert of Kalahari in Africa.

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Large bird nests surround a telecommunications column in the Kalahari desert near Upington, South Africa.

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These bird nests are created by deep birds in southern Africa, using mainly grass and twigs.

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In the barren desert area, deep birds seem to see themselves as owners of electric poles and telecommunications.

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Deep birds are smart to take advantage of pillars as a fulcrum to build nests in a desert area almost absent from tall trees.

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Each column has at least 1 bird's nest.

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This is considered the largest bird nest in the world.

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These bird nests are large enough to hold hundreds of pairs of deep birds at the same time.

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Each bird nest consists of many compartments, with each compartment for a pair of birds and possibly their children.

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Bird nests on electric poles sometimes cause power outages in the rainy season and can burn in the dry season.