208 



NORTH AMERICAN BIRDS EGGS. 



430. Costa Hummingbird. Calypte costte. 



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, vio- 

 let or amethyst, 

 the feathers on the 

 sides of the latter 

 being lengthened. 

 Their nests are 

 situated in the 

 forks of branches 

 generally near the 

 ground, and sel- 

 dom above six 

 feet from it. They 

 are made of plant 

 down with shreds 

 of weeds, bark 

 and lichens work- 

 ed 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. Col- 

 lector, Charles E.Groesbeck. 



431. Anna Hummingbird. Calypte anna. 



Range. Pacific coast of the United States from northern California, south- 

 ward, wintering in Mexico and southern California. 



This handsome 

 species has both 

 the crown and the 

 broadened and 

 lengthened throat 

 gorgets, a purplish 

 pink; it is slightly 

 larger than the 

 Ruby-throat. 

 They are very 

 abundant in their 

 restricted range, 

 and nest in Feb- 

 ruary and March 

 and again in April 

 or May, raising 

 two broods a seas- 

 on. 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. California, March 4, 1897. Nest in a 

 bunch of seed pods in a gum tree, ten feet from the ground. Collector, Tom Bundy. 





