HUMMINGBIRDS 
439. Buff-bellied Hummingbird. 
Amizilis cerviniventris chalconota. 
Range. — Lower Rio Grande Valley in Texas 
and southward through Mexico. 
These birds are like the last but have the 
underparts a pale brownish buff color. They 
are quite common in + heir summer range in the 
United States, nesting at a low elevation in 
bushes and low trees. The two eggs are white. 
.50 x .35. Data. — Brownsville, Texas, May 5, 
1892. Nest of fine bark-like fibre on the out- 
side, lined with lint from thistle plant; located 
on limb of small hackberry. Collector, Frank 
G. Armstrong. 
440. Xantus’s Hummingbird. 
Basilinna xantusi. 
Range. — Southern Lower California. 
A handsome species, greenish above, with a 
coppery tinge and shading into reddish brown 
on the tail; under parts huffy, throat metallic 
green, and a broad white streak behind the eye. 
They breed on the ranges making a similar 
nest to those of other Hummers, placed on 
weeds or bushes near the ground. The eggs 
cannot be distinguished from those of the ma- 
jority of other species. 
440.1. White-eared Hummingbird. 
Basilinna leucotis. 
Range. — A Central American and Mexican 
species, casually found on the ranges in South- 
ern Arizona. 
The plumage of this species is greenish above and below, being metallic green 
on the breast; the forehead, sides of head, and throat are iridescent blue 
and a white line extends back from the eye. 
441. Broad-billed Hummingbird. Cynanthus latirostris. 
Range. — Mountains of central Mexico north to southern Arizona and New 
Mexico. 
The throat of this species is a rich metallic blue; otherwise the plumage is 
greenish above and below, being brighter and more irisdescent on the breast. 
They are not uncommon on the ranges of southern Arizona, where they have 
been found nesting in July and August, their nest not being unlike those of the 
Rufous Hummer, but with the exterior largely composed of shreds of grayish 
bark and lichens. Their eggs are like many others of the Hummers. 
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