Birds are certainly lovely creatures and useful too. My garden is really full of birds. Sparrows, tits, eurasian nuthatches and black birds are regular inhabitants. But I have visitors like craw (snitching my walnuts!!), robin, lark, jay, song thrush and some other I did not identify yet.
Great tit (Parus major)
I do not feed them except in winter leaving some dry bread slices or seeds on the window sill. If you want birds in your garden plant the shrubs with berries like Pyracantha or Cotoneaster. Sometimes they eat the buds of Wistaria in spring! They will also come for various seeds, but they eat pest insects and worms too.
I made two bird baths of hypertufa and placed them in the borders. They love to take bath in it splashing all the water out!
Make sure to place the bird bath high enough so the cats cannot reach it!