Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Fringillidae
Subfamily: Carduelinae
Genus: Chloris
Species: C. chloris
Binomial name: Chloris chloris
Synonyms: Carduelis chloris, Chloris chloris ssp. chloris
Common names: Greenfinch, European Greenfinch, Western greenfinch

Carduelis chloris is a small passerine bird in the finch family Fringillidae. It is native to Europe and Africa, It was introduced into New Zealand in the 1860s.
Carduelis chloris is found more often in settled districts. It does frequent pine plantations. It feeds on seeds, buds, flowers, berries, fruit; also some arthropods. seeds and nests in trees. 
Chloris chloris is a medium-sized broad-headed finch with a strong conical bill and short forked tail. The male bird is an olive green and is greener than the female. They have pale yellow panels in the closed primaries (flight feather) and in the sides of the tail feathers. They nest in trees.
Chloris chloris flocks in autumn with other finches where it may be readily identified by its heavier beak. The male can be conspicuously green but in females and juveniles, this may not be so obvious. Such birds can still be identified by the pale yellow panels in the closed primaries and in the sides of the tail.

In New Zealand, Chloris chloris is considered a minor pest as they attack the buds of orchard fruits.

Top Male  Bottom Female 
European Greenfinch male female (2).jpg  

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/