You are more likely to hear than see a grey warbler, which has a distinctive trilling call. This tiny bird, which weighs just 6 grams, typically hunts for insects in the canopies of trees and shrubs.
Scientific name: Gerygone igata
Other names: gray warbler, grey gerygone, hōrirerire, kai ngata, New Zealand gerygone, rainbird, riroriro, teetotum, whiringa-ā-tau
New Zealand Status: Native (Endemic)
Conservation Status: Not threatened
Where they feed: Shrubs, trees and in the air.
What they eat: Invertebrates, seeds and fruit