5O2 LAND BIRDS 
685 a. PILEOLATED WARBLER. — Wilsonia pusilla 
puleolata. 
FamiLty : The Wood Warblers. 
Length : 4.25-5.10. 
Adult Male: Upper parts bright yellowish olive-green; crown glossy 
blue-black ; under parts bright yellow ; forehead sometimes orange- 
yellow. 
Adult Female: Similar to male, but back of crown usually indistinct, 
being concealed by olive wash. 
Geographical Distribution: Western North America, chiefly along or 
near the Pacific coast; north to Alaska; south in winter through 
Mexico to Costa Rica. 
Breeding Range: April 15 to July 2. 
Nest: Of leaves, bark strips, weed stems, vegetable fibres, and rootlets ; 
lined with finer grasses ; placed in thickets and blackberry vines, on 
or near the ground. 
Eggs: 2 to 4; white or creamy white, speckled with reddish brown and 
lilac gray, often in the form of a wreath around the larger end. Size 
0.60 X 0.48. 
In the warm spring days comes the handsome little 
Pileolated Warbler, with his long title of Western 
Black-capped Flycatching Warbler. He is a common 
migrant throughout the valleys of California, and_flits 
over the underbrush like a big yellow butterfly ; but, as 
nesting time approaches, he withdraws to the mountains, 
and is seen on the lowlands no more until fall. Not 
shy, he watches you with quite as much interest as you 
observe him, calling saucily from: his low perch, and 
readily answering to an imitation of his “ seep see.” If 
you are motionless and coax long enough, he will even 
alight on a spray of chaparral held in the hand. In 
movements he is an odd little mixture of flycatcher and 
hummingbird, darting out for a passing insect, or hover- 
