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"I caught this scene while watching birds in the Bialowieza Forest. A young greenfinch was still fed by parents, however, from time to time the birds looked like they were having an argument."

Nightingale, greenfinch, grey partridge, marsh tit, skylark, nightjar and tree pipit - all Red List species - have been recorded.

The sick greenfinch on my balcony was suffering from ulcers on his throat that made it painful to swallow.

“Our greenfinch population was badly affected by trichomonosis that was probably spread via bird feeders. It’s not definite, but all the circumstantial evidence points in that direction.”

The wildlife survey, which began in 1979, has charted how birds such as the song thrush and greenfinch have been overtaken by the woodpigeon and long-tailed tit.