What primary feature shows the stark difference in coloration between male and female Bullfinches?
Answer
The male has a bright rose-red breast, while the female's underparts are muted pinkish-grey or buff.
The male is instantly recognizable by his bright rose-red or pinkish-red breast and cheeks. The female, conversely, has much duller underparts described as muted pinkish-grey or buff, providing better camouflage.
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