The Yellow-crowned Gonolek is about 23 cm long. It uses acacia thornbush savanna and woodland, searching branches and foliage for invertebrates.
The account gives a length of about 23 cm and a weight of 47.1–47.4 g.
It is active by day in acacia thornbush savanna and woodland. Its listed foraging mode is to glean invertebrates from vegetation.
An extinction-risk assessment has not been added yet.