North American Birds Eggs. 



293 



[White.l 



649. Sennett Warbler. Cnmpsnthlypis nigrilora. 



Range. --Eastern Mexico, north to the Lower Rio Grande Valley in Texas. 



This species is simihir to the Parula but is more extensively yellow below, and 

 has black lores antl ear coverts. Their habits are the same as those of the last 

 and their nests are generally placed in hanging moss, and are also saiil to have 

 been found hollowed out in the mistletoe which grows on many trees in southern 

 Texas, New Mexico and Arizona. The eggs cannot be distinguished from those 

 of the last. 



650. Cape May Warbler. Dcndroicd ii(/riiia. 



Range. — Eastern North America, breetling from northern New England and 

 Manitoba northward; winters south of the United States. 



This beautiful Warbler is yellow below and on the rump, ^ . 



streaked on the breast and sides with black; the ear coverts and 

 sometimes the throat are chestnut. They are very local in their 

 distribution both during migrations and in their breeding 

 grounds. They nest in the outer branches of trees, preferably 

 conifers, making the nest of slentler twigs, rootlets, grasses, etc., 

 lined with hair; the four or five eggs are white, variously specked with reddish 

 brown and lilac; size .65 x .48. 



65 I. Olive Warbler. Dendroira olivacea. 



Range. — Mountains of New Mexico and Arizona southward. 



This peculiar species may readily be recognized by its saffron 

 or orange-brown colored head and neck, with broad black bar 

 through the eye. They nest at high elevations in coniferous 

 trees on the mountain sides, placing their nests either on the 

 horizontal boughs or forks at the end of them. The nests are 

 very beautiful structures made of moss, lichens, tine rootlets and 

 grasses and setting high on the limb like those of the Blue-gray 

 The eggs are grayish white with a bluish tinge, thickly speckled 



with blackish; size .64 x .48. Data. — Huachuca Mts., Arizona, June 21, 1901. 



Nest in a sugar pine near extremity of branch, 25 feet from the ground and 20 



feet out from the trunk of the tree; composed of lichens and fine rootlets, lined 



with plant down. Collector, O. \V. Howard. 



652. Yellow Warbler. Dendroica aesfiva. 



Range. — Breeds in the whole of North America; winters south of our borders. 



This well known and very common species is w-holly yellow, 

 being more or less greenish on the back, wings and tail, and the ^^^r^^ ---, 

 male is streaked on the sides with chestnut. They nest anywhere 

 in trees or bushes, either in woods, pastures, parks or dooryards. 



[(irayish blue. 

 Gnatcatcher. 



and their sprightly song is much in evidence throughout the 



summer. The nests are usually placed in upright crotches or 



forks, and are made of vegetable fibres and fine grasses compactly [Greenish white) 



woven together and lined with plant down and hair; the eggs, 



which are laid in May or June, are greenish white, boldly specked in endless 



patterns with shades of brown and lilac; size .65 x .50. 



652a. Sonora Yellow Warbler. I), a. sonorana. 



Range. — Arizona, New Mexico and western Texas, southward. 



This form is brighter yellow, especially above, than the last. The nesting 

 habits are the same and the eggs indistinguishable from those of the preceding. 



652b. Alaskan Yellow Warbler. D. a. I'ubiginosa. 



Range. — Breeds in Alaska and on the coast south to Vancouver; winters south 

 of the United States. 



Similar to the common Yellow Warbler but slightly darker above; its eggs 

 and nesting habits are the same. 



