Contrary to its name, it is also found outside the Calabarzon region where it also inhabits Central Luzon, Bicol Peninsula and Catanduanes.

[1] EBird describes it as "A fairly small bird of lowland and foothill forest and edge.

Somewhat similar to green-backed whistler, especially from below, but smaller, with a pale rufous throat and a black crown.

[5] like Blue-headed fantail, Rufous paradise flycatcher, Lemon-throated leaf warbler, Yellow-wattled bulbul, white-eyes, sunbirds and flowerpeckers.

One nest was found that was cup shaped made out of moss and woven together with roots with small twigs just one meter above the ground.

The International Union for Conservation of Nature still recognizes the Black-crowned babbler as a single species which is assessed as least concern.