What is this bird?

[mrs_overall]

I posted the other day about a bird I could hear but not see. I trawled through the RSPB birdsongs but to no avail.
This morning I spotted the bird - it is small, with a chunky looking face and the top of its head is bright red. Any ideas please?

[ethandron]

'she' actually mrs. o......;o)

[Frank97]

Lol, sorry Ethan.

[rowanwitch]

redpoll ....love niger seed