I heard this too ("Adam ruins everything"). But there is a hugeg bird population in Istanbul (more than US cities I lived in). Mostly seagulls (thousands of the

I heard this too ("Adam ruins everything"). But there is a hugeg bird population in Istanbul (more than US cities I lived in). Mostly seagulls (thousands of them), pigeons, sparrow and crows which are all around the city. It's possible these are "city birds" resistant to cat attacks somehow and cats damaged other bird populations, though. I'm not educated enough to give a better answer.