The Great Tit has a greeny-grey back, a pale yellow front, white cheeks, a black cap and a black bib.
It is a common bird in gardens and countryside, resident throughout the year; larger than the Blue Tit, it is also gregarious with its own kind and other birds, but can be pugnacious.
Great Tit (left) and Blue Tit (right).
Courtship feeding -- the male feeds food to the female to indicate he will feed when nesting.
The male has a thick black line extending from bib almost to vent
They love peanuts
This one has been ringed