12 of the World's Smallest Birds (Photo Gallery)

Goldfinch: The Lesser Goldfinch also known as Dark Backed Goldfinch is a smallest songbird in the world. The American goldfinches are easily distinguished with males having a black forehead. This little species is the smallest North American Spinus finch, it might be the tiniest true finch found in the world. This species varies from 9-12 cm in length and can weigh from 8-11.5 g. The lesser goldfinch is frequently spotted in flocks. They utilize just about any habitat with shrubs or trees with the exception of dense forests, and are widespread and noticeable in many residential areas.