Their distinctive black heads with a bright red rump, as well as their aggressive nature, has led to them being nicknamed angry birds, after the popular computer game.
The birds have now been confirmed in Auckland, and the council, along with the Ministry for Primary Industries and the Department of Conservation, have set up a reward for information leading to the capture of one of the birds.
Last month a prize of $300 was offered, but today DoC announced it has been raised to $1000 to encourage more people to look out for them.
Esta espécie é conhecida por destruir colheitas de fruta e outros vegetais, e de atacar outras espécies de pássaros. O Pycnonotus cafer é considerado como uma das espécies mais invasivas do mundo.
Etiquetas:aves, invasão, nova zelândia, Pycnonotus cafer, red-vented bulbul