HUMMINGBIRDS 



430. Costa's Hummingbird. 



Calypte costw. 



Range. — Southwestern United States; north 

 to southern Utah; winters south of our border. 



Smaller than the last and with both the 

 crown and the throat gorget, violet or ame- 

 thyst, the feathers on the sides of the latter be- 

 ing lengthened. Their nests are situated in 

 the forks of branches generally near the ground, 

 and seldom above six feet from It. They are 

 made of plant down with shreds of weeds, bark 

 and lichens worked into the outside portions, 

 and are often lined with soft feathers. The 

 two eggs average .48 x .32. Data. — Arroyo Seco, 

 California, June 10, 1900. Nest in an alder bush. 

 Collector, Charles B. Groesbeck. 



431. Anna's Hummingbird. Calypte anna 



Range. — Pacific coast of the United States 

 from northern California, southward, winter- 

 ing in Mexico and southern California. 



This handsome species has both the crown 

 and the broadened and lengthened throat gor- 

 gets, a purplish pink; it is slightly larger than 

 the Ruby-throat. They are very abundant m 

 their restricted range, and nest in February 

 and March and again in April or May, raising 

 two broods a season. Their nests are made of 

 plant down and covered on the outside with 

 cobwebs and a few lichens, and are generally 

 located at a low elevation. The white eggs 

 average .50 x .30. Data. — Santa Monica, Cali- 

 fornia, March 4, 1897. Nest in a bunch of seed 

 pods In a gum tree, ten feet from the ground. 

 Collector, Tom Bundy. 



4.10 — 431 



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