Cyanistes caeruleus
Identification suggestions (from the community or from AI) and the information here may be wrong; this app never confirms that anything is safe to eat. Do not consume wild plants, mushrooms or seafood without expert confirmation. Nothing here is medical advice.
Bright cobalt-blue cap on the crown, where great tit is black
Thin dark eye-stripe crossing the white face, plus a dark collar under the chin
Yellow belly with no black stripe, or at most a short faint smudge
Blue wings and tail over a greenish back, with a single narrow white wingbar
Clearly smaller than great tit and feeds hanging upside down on the thinnest twigs
Thin 'tsee-tsee-tsee' opening into a shivering trill