Reversing the territorial claim on the long run.
In 2024 there was a thriving redstart nest: no interference by sparrows.
Winter 2024/2025: sparrows start roosting in the gaps of the facade near the nest.
2025, a new redstart nest, but this time the sparrows are on it, and become more invasive as activity increases. The aggresion peaks after hatching and feeding starts.
Sparrows making early morning check.
There are early morning checks by the sparrows, note the date and time on videos. It seems to be a claim on the area. The spikes are an attempt to reverse this.