How does the female Bullfinch's underpart coloration differ from the male's?

Answer

She features much more subdued greyish-buff underparts

While the male is brightly coloured, the female is much more subdued, featuring greyish-buff underparts instead of the male's bright red or pink.

How does the female Bullfinch's underpart coloration differ from the male's?
raritybirdornithologywildlifeBullfinch