A long-tailed, slender songbird with fine bill. Male entirely glossy blue-black. Female a rich chestnut above, white below, with black crown and face (in poor light, may appear dark above; compare Restless and Paperbark flycatchers). Inhabits mangroves and wetlands, actively pursuing insects on the ground and in low vegetation. Song a clear whistled “towhit-too-towhit.”