This is one of Aotearoa New Zealand’s smallest birds, often heard but seldom seen. I got lucky a few months back. Riroriro, Grey Warbler 🐦 :

Length: 11 cm; Weight: 5.5 - 6.5 grams

Small bird on a branch.
Small bird on a branch, facing the camera.
Small bird on a branch, facing the camera.

Riroriro, Grey Warbler song.

Miraz Jordan @Miraz