PERCHING BIRDS 



541. Ipswich Spakhow. Passercidus 



princeps. 



Range. — Breeds on Sable Island, off Nova 

 Scotia; winters on coast of South Atlantic 

 States. This a large and pale colored form of 

 the common Savannah Sparrow. Its nesting 

 habits are similar to those of the latter and the 

 eggs are marked the same but average larger. 

 Size .80 X .60. 



542. Aleutian Savannah Sparhow. Pas- 



serculus sandwichensis sand trulicii sis. 



Range. — Breeds on the Alaskan coast; win- 

 ters south to northern California. 



A streaked Sparrow like the 

 next but with the yellow super- 

 ciliary line brighter and more 

 extended. Its nesting habits 

 are precisely like those of the 

 next variety which is common 

 and well known; the eggs are 



Grayish white 



indistinguishable. 



/ 



Grayish whitt 



542a. Savannah Sparrow. Passercidus samhrivhcnsis sai 

 Range. — North America east of the Plains, breeding from the 

 Middle States north to Labrador and the Hudson Bay region. 

 Similar to the last but with the superciliary line paler and 

 the yellow reduced to a spot on the lores. Their nests are 

 hollows in the ground, lined with grasses and generally con- 

 cealed by tufts of grass or weeds. Their three to five eggs 

 vary greatly in markings from finely and evenly dotted all 

 over to very heavily blotched, the ground color being grayish 

 white. Size .75 x .55 



542b. Western Savannah Sparrow. Passerculus saiidtrirliensis alaii- 

 dinus. 

 Range. — Western North America from Alaska to Mexico. 



^ i jy A slightly paler form whose nesting habits and eggs do 



/ ■■' not differ from those of the last. 



542c. Bryant's Sparrow. Passerculus sandwichensis. 

 hryanti. 



Range. — Salt marshes of California from San Francisco 

 Bay south to Mexico. 



Slightly darker and brighter than the eastern Savannah 

 Sparrow and with a more slender bill. The eggs are not 

 different from many specimens of savanna; they are light 

 greenish white heavily blotched with various shades of 

 brown and lavender. Size .75 x .55. 



54;^. Belding's Sparrow. Passerculus beldingi. 



Range. — Pacific coast marshes of southern California 

 and southward. 



This species is similar to the last but 

 darker and more heavily streaked below. 

 They breed abundantly in salt marshes, 

 building their nests in the grass or 

 patches of seaweed barely above the 

 water, and making tliem of grass and 

 weeds, lined with hair; the eggs are dull 

 grayish white, boldly splashed, spotted and clouded with 

 brown and lavender. Size .78 x .55. 

 337 



22 



9 



(iravish -wliito 



542b— 54.- 



