There were no other Blue Tits with him at all.
Some birds, especially blue tits, use nest boxes in gardens.
Communication with other Blue Tits is the most important motivation for the use of calls.
Then they exposed these and unaltered butterflies to the blue tits.
The blue tit prefers insects and spiders for their diet.
I had a male Blue Tit at our feeder two weeks ago.
Woodpeckers and blue tits, living in the park in the 1980s, are not seen anymore.
Other cases include black-headed blue tits and yellow rather than red woodpeckers.
Either that or with so many people going skimmed and semi-skimmed the poor blue tit can't find any cream.
I am also puzzled that blue tits appear to have stopped stealing cream from the top of milk bottles.