THE BIRD BOOK 



417a. Stephen's Whip-poor-will. 

 Antrostomus vociferus maeromystax. 



Range. — Arizona and New Mexico, south 

 through the tableland of Mexico. 



This sub-species is slightly larger and has 

 longer mouth bristles than the eastern bird. 

 Their nesting habits are the same and the eggs 

 differ only in averaging lighter in color, with 

 fainter markings, some specimens being almost 

 immaculate. 



418. Poor-will. Phalcenoptilus nuttalli 

 nuttalli. 



Range. — United States west of the Missis- 

 sippi, breeding from Kansas and northern Cal- 

 ifornia northward to Montana and British Co- 

 lumbia. 



This handsome species 

 is the smallest of the fam- 

 ily, being under 8 inches 

 Its plumage, is mottled black, white and frosty 

 gray, harmoniously blended together. They can easily be 

 distinguisned from all other Goatsuckers by their size and 

 silvery appearance. They nest on the ground, either plac- 

 ing their two eggs upon a bed of leaves or upon a flat rock. 

 The breeding season is from the latter part of May through July. The eggs are 

 pure white and glossy; size 1.00 x .75. 



Poor-will 



in length. 



'WtL*kg? 



Merrill's Paraque 



418a. P'rosted Poor-will. Phalcenoptilus nuttalli nitidus. 



Range. — Texas and Arizona, north to western Kansas. 



This variety is like the last but paler, both above and below. Eggs indis- 

 tinguishable from those of others of the genus. 



41 Sb. Dusky Poor-will. Phalcenoptilus nuttalli calif ornicus. 



Range. — A darker race found on the coast of California, having the same nest- 

 ing habits as the others. 



The egg figured is of this species. Data. — Los Angeles, Cal., June 24, 1900. 

 2 eggs on the ground at the foot of an oak tree on the side of a hill. Collector, 

 F. M. Palmer. 



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