HUMMINGBIRDS 
430. Costa’s Hummingbird. 
Calypte costa. 
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 E. 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 in 
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. 
430 — 431 
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