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

Some little birds are really hard to believe because they're battery-size and gorgeous. Usually it is the flashiest birds that that manage to get our attention. Small birds are the most fascinating and mesmerizing creatures on our planet. Their unusual flight patterns, multicolored plumage, distinctive calls bring us pleasure and cheerfulness. Small birds play a very significant role in reproduction of plants and indication of season change.

Lesser Goldfinch: The lesser goldfinch is the smallest North American finch of the Spinus genus. It may very well be the smallest true finch in the entire world, growing to an average of just 3.5 to 4.7 inches in length. The Andean siskin may beat it by a feather for the title, though, as it comes in at an average of 3.7 to 4.3 inches in length. Still, the goldfinch is truly minuscule. It weighs around 0.28 to 0.41 ounces.