Song Sparrows at Drake's Estero, Pt. Reyes, California
The Song Sparrow (Melospiza melodia) , found throughout most of North America. There are nearly 40 subspecies, ranging in length from 12 to 17 cm (4.7 to 6.7 in), with the largest in Alaska and the smallest around San Francisco Bay. In all the upper surface is some shade of brown, more or less streaked, and the underparts white or buff, streaked with black or brown. The song sparrow's nest, composed of grasses and rootlets lined with fine grasses and long hair, is often placed on the ground. The eggs are variable in color and form; the ground shade is whitish, thickly marked with reddish-brown or lilac.