What secondary physical trait, often involving brighter coloration, serves as an asset for the male Baya Weaver in securing a mate?
Answer
A distinct sexual dimorphism in appearance
While architectural skill is paramount, the male weaver bird utilizes other physical characteristics to attract a female for reproduction. This often manifests as a distinct sexual dimorphism, meaning the male displays colors or markings that are notably brighter or more contrasting than those of the female, particularly during the breeding season. The male actively uses this appearance in conjunction with display behaviors, such as calling and wing fluttering, to gain the female’s critical assessment, demonstrating that physical appearance is an important factor alongside construction quality.
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