Here is another male greenfinch photo.
This photo shows a female greenfinch.
This is a video from Britain, about male and female chaffinches in winter.
This photo shows a female chaffinch, on 10 June near the hide.
And this photo shows a male chaffinch.
On these two photos, a male chaffinch on the left, and a hawfinch on the right.
Finally, this photo. It shows, on the left, a hawfinch, a species of which there will soon be more photo hide photos on this blog. Then, from left to right: a great tit; a male chaffinch; a female chaffinch.