One of my favourite feathered bird ...

... crows.
Intelligent, generally healthy looking, and can murmurate almost as well as starlings.

Around the area where I drag the #DinkyStinkyDog for her early morning movements, the trees are quite close to the flats within each quadrant.
Crows abound in and around the trees, and as I pass beneath, it is with unstifled pleasure that I hear them cawing energetically at each other within a couple of meters of the windows containing the Sunday morning sleepers.