Parus major
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.
Black stripe running down the middle of the yellow belly: broad and complete in males, narrow and broken in females
Sharply outlined white cheeks on a glossy black head
Yellow underparts, olive-green back, bluish grey wings and tail
Sparrow-sized and clearly larger and longer-bodied than blue tit
Repeated two-note song from February, like a squeaky pump
Repetitive two-note 'tea-cher' song plus a wide range of other calls
