
Appearance
The Greenfinch is 15 cm in length with a wing span of 24.5-27.5 cm and is similar in size and shape to a House Sparrow, but is mainly green, with yellow in the wings and tail. The female and young birds are duller and have brown tones on the back. The bill is thick and conical. The song contains wheezes and twitters, and the male has a "butterfly" display flight.
Distribution
This bird is widespread throughout Europe, north Africa and south west Asia. It is mainly resident, but some northernmost populations migrate further south. The Greenfinch has also been introduced into both Australia and New Zealand. In Malta it is considered as a prestigious song bird which has been trapped for many years. It has been captivated and many Maltese people breed them.Behavior
Woodland edges, farmland hedges and gardens with relatively thick vegetation are favoured for breeding. It nests in trees or bushes, laying 3-8 eggs.This species can form large flocks outside the breeding season, sometimes mixing with other finches and buntings. They feed largely on seeds, but also take berries and seeds.

Habitat
Woodland edges, farmland hedges and gardens with relatively thick vegetation are favoured for breeding. It nests in trees or bushes, laying 3-8 eggs.This species can form large flocks outside the breeding season, sometimes mixing with other finches and buntings. They feed largely on seeds, but also take berries and seeds.
References:
Some text fragments are auto parsed from Wikipedia.