What does the efficiency of material use in weaver nests indicate regarding their material selection?

Answer

A high degree of material specialization indicating optimization for flexibility and tensile strength.

Weaver birds demonstrate notable efficiency in how they utilize building resources, setting them apart from generalist builders who incorporate a broader, less selective collection of debris. This efficiency manifests as a high degree of material specialization; the birds often meticulously select specific lengths and types of flexible grasses. This precise selection is crucial because it allows the finished woven structure to achieve an optimal balance between flexibility, necessary for swaying in the wind or absorbing impact, and high tensile strength, required to maintain structural integrity over time under environmental stress.

What does the efficiency of material use in weaver nests indicate regarding their material selection?

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