In the male House Sparrow, what feature's size can serve as an indicator of social status or dominance?

Answer

The black bib or throat patch

The size of the male House Sparrow's defining black bib extending down the upper breast can indicate his social standing within the flock.

In the male House Sparrow, what feature's size can serve as an indicator of social status or dominance?

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Learn to Identify 10 Common Sparrows! - YouTube

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