This small bird searches for insects in Hong Kong grassland and reedbeds; adult plumage changes by season.
In adult breeding plumage it has a grey head, narrow white supercilium, olive-brown back, and yellowish belly. In nonbreeding plumage the head and back are paler.
In Hong Kong it searches among grass and reeds for insects and larvae. Males hold territories and sing from grass tops.
Adults in Hong Kong have orange-flesh legs.
An extinction-risk assessment has not been added yet.