Bright little birds flying through bare branches of the winter trees... I also have similar mittens pattern: http://www.ravelry.com/patterns/library/winterbirds .
These gloves are knitted with just two colors; the bird's chests are embroidered with duplicate stitch afterwards. The gloves will fit approx. 18cm hand circumference with recommended gauge. For larger sizes adjust your gauge accordingly, and/or use thicker yarn.
I strongly suggest using non-felting superwash wool, or better yet - wool/nylon sock yarn for your gloves and other hard-wearing accessories!