646a. Vermivora celata lutescens. 4¼ inches.
This bird is found breeding from Alaska along the Pacific coast to southern California. Nest placed in similar locations, and the eggs are the same as above (.60 × .45).
OLIVE WARBLER.
651. Peucedramus olivaceus. 5 inches.
Range.—In the mountains of Arizona and New Mexico, southward. They may be easily identified by their orange-brown head and neck, with a broad black band through the eyes. Their nests are placed at high elevations in coniferous trees on the mountain sides. They build a very compact nest, saddled upon a horizontal limb, the nest having a resemblance to a knot; it is made of moss, lichens, etc., and lined with fine rootlets and down from plants. Their four eggs are a pale gray, completely covered with spots of dark brown, the heaviest at the larger end (.64 × .48).
YELLOW WARBLER.
652. Dendroica æstiva. 4 inches.
Range.—The whole of North America, breeding throughout its range. They are active little bunches of yellow, as they gather in their many insects for food, all the while singing their happy song. They place their nests in almost any kind of trees, but seem to prefer willows and alders near some brook or pond, where insect life is abundant. Their nest is a compact, cup-shaped structure, made of fibers and grasses, lined with plant down or cotton.
