YELLOW OR ORANGE CONSPICUOUS 539 
and white flits through the clearings in the Sierra Nevada 
and you are conscious that an Audubon Warbler has 
flown by. He has all the tricks and manners of a fly- 
catcher, darting out after insects or dodging about among 
the tree tops, always in a hurry, always in a mad chase 
for something to eat. 
Unless you go to his 
summer haunts in the 
Sierra Nevada you will 
not see him at his best, 
for the “ winter visitant ” 
of the valleys wears a 
more sober plumage of 
dull brown streaked with 
black and only a little 
yellow visible. In_ his 
breeding grounds among 
the pines and spruces of 
the mountains he is a 
brilliant, happy-go-lucky 
little chap, not at all shy, 
but is so absorbed in his 
own busy life as to care 656. AUDUBON WARBLER. 
little who watches him. “ Always in a mad chase for something 
The four nests-I have 
found were all near Tallac on Lake Tahoe, and were all in 
young spruce trees, within five feet of the ground, along 
a frequented path. On June 15 one contained young 
a week old, and three held eggs in various stages of in- 
cubation, ‘The pair whose young had hatched so early 
