36 – 44 cm long (from head to tail), with an average wing span of 76 cm
Clear, sustained 'steer-steer-tseer', or 'seat-you', 'seat-you'; deep zizzing scolding at intruders, cuckoos and snakes.
Mostly insects and other small spiders and mites. Occasionally, they eat seeds.
The nest is made of a large ball of grasses and leaves with a side tunnel leading to a cup lined with feathers; located on or near the ground, in thick vegetation, but could be in a tree fork a few metres high. The eggs are pale blue to pale purple and are spotted with brown at the base.