Easy way to kill the birds - Double Silkspear - Bird room in Greymoor area - Hollow Knight Silksong

The pack of birds in the cage building to the right of the map are a hassle, keep trying, it can be done basically with a stock build. Focus on killing the little birds first, and when the fatties line up use your power move to spear them dealing huge damage. Collect your rosaries and get the hell out of there!