SHARP-TAILED SPARROW. 



549. Ammodramus caudacutus. S$4 inches. 



Back of head greenish; sides of head, breast and 

 flanks, buff with black streaks; tail feathers sharp. 



Salt marshes along the seacoast or along streams 

 emptying into the ocean are the dwelling places of 

 these finches. They creep about like mice in the salt 

 grass, now running across an open space, now thread- 

 ing their way through the upright stalks, rarely flying 

 except when forced to, and then only for a few feet. 



Song. A rather weak, squeaky trill. 



Nest. Of sea weed and marsh 'grass, attached to the 

 grass stalks several inches above ground, and often 

 covered by a mass of dry sea weed. Eggs greenish 

 white specked with brown (.78x.56). 



Range. Atlantic coast of the U. S. 

 NELSON SPARROW. 

 549a. Ammodramus nelsoni. 5 L o inches 



Similar to the last but brighter colored and not 

 streaked below. In the Miss. Valley north to Mani- 

 toba. 549a. Acadian Sharp- tailed Sparrow (sub-vir- 

 gatus), Atlantic coast, breeding from Maine to New 



Brunswick. 



