It is found in the undergrowth of wet mountain oak forests and second growth, typically from above 1350 m altitude to patches of scrubbery beyond the timberline. The nest is a bulky lined cup constructed 1–5 m high in a scrub or small tree, and the typical clutch is 2 brown-blotched greenish-blue eggs
The Slender-billed Nightingale Thrush is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
Nothing known about the Slender-billed Nightingale Thrush