Where does this come from, and can I check it?

Weaver birds use strips of grass to loop and tie hanging spherical nests. The figure is taken from San Diego Zoo, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a animals fact?

Yes. It sits on the Animals shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Male weaver birds tie intricate knots to build woven nests

Weaver birds use strips of grass to loop and tie hanging spherical nests.

Male weaver birds strip long fibers from palms and tall grasses using their beaks. Flying back to tree branches, they weave elaborate hanging nests using real half-hitches and slipknots, inviting females to inspect the structural durability before choosing a mate.

Black-headed weaver (Ploceus cucullatus bohndorffi) male nest building — Charles J. Sharp · CC BY-SA 4.0 · licence · source

Where this comes from

San Diego Zoo

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Tags: weaver-bird, birds, nests

Male weaver birds tie intricate knots to build woven nests: the short answers

Where does this come from, and can I check it?: Weaver birds use strips of grass to loop and tie hanging spherical nests. The figure is taken from San Diego Zoo, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a animals fact?: Yes. It sits on the Animals shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.