Which of the following is NOT listed as a nest-building material?

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Multiple Choice

Which of the following is NOT listed as a nest-building material?

Explanation:
Nest-building materials are chosen to give a sturdy frame, warmth, and a soft lining for eggs and chicks. Sticks form the outer structure in many nests, moss and grass provide a cushioned, insulating lining, and feathers add extra warmth and fluff. Sand isn’t used for the nest itself because its gritty, granular texture doesn’t create a stable, comfortable lining and can irritate eggs or chicks. Birds use sand mostly as grit for digestion, not as nest material. So, among common options, sand is not listed as a nest-building material, while moss, sticks, and feathers are.

Nest-building materials are chosen to give a sturdy frame, warmth, and a soft lining for eggs and chicks. Sticks form the outer structure in many nests, moss and grass provide a cushioned, insulating lining, and feathers add extra warmth and fluff. Sand isn’t used for the nest itself because its gritty, granular texture doesn’t create a stable, comfortable lining and can irritate eggs or chicks. Birds use sand mostly as grit for digestion, not as nest material. So, among common options, sand is not listed as a nest-building material, while moss, sticks, and feathers are.

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