YELLOW OR ORANGE CONSPICUOUS 533 
the immediate vicinity when we stumbled into it, but long 
and patient search revealed only one of the young birds. 
He was sitting on alow bush, looking as solemn as a 
young owl, and allowed us to go close to him. Except 
for size he looked like a goldfinch nestling and was no 
more timid than the latter. The adults moved anxiously 
through the branches over our heads uttering plaintive 
calls of fear and low purring notes of remonstrance with 
us or of reassurance to the young. I am convinced that 
but for their excitement he would have known no fear. 
Later, in August, small flocks of young Tanagers were 
seen, in company with vireos, feeding among the pine 
trees and evidently gathering for the fall migration. 
They were following the flycatcher fashion of catching 
insects on the wing, beginning when the sun touched 
the tops of the trees and moving downward as the day 
advanced and the insect life nearer the ground awoke to 
activity. In like manner they retreated to the tree tops 
as the shadows fell in the afternoon, 
645a. CALAVERAS WARBLER. — Helminthophila 
rubricapilla gutturalis. 
Famity: The Wood Warblers. 
Length: 4.75. 
Adult Male: Top of head gray, with chestnut crown patch; white eye- 
ring; back olive-green, more yellowish on rump and upper tail- 
coverts ; under parts rich bright yellow. 
Adult Female: Similar, but duller; little or no chestnut on crown. 
Young: Upper parts brownish gray ; rump greenish gray ; under parts 
dull yellow, becoming buffy brown on belly. 
Geographical Distribution: Western United States from Pacific coast 
to Rocky Mountains; south in winter to Mexico, 
