YELLOW-RUMPED WARBLER. 189 
LXV. 
YELLOW-RUMPED WARBLER; MYRTLE WARBLER. 
DuRInG migration the yellow-rumped is one of 
the most abundant warblers. It is a hardy, ro- 
bust-looking bird; the first of the family to ap- 
-pear in the spring, and one of the last to leave in 
the fall. You can recognize an adult male very 
easily in spring, because the black zouave jacket 
he wears over his white vest has conspicuous 
white and yellow side pieces. 
The yellow-rump is a fearless bird, and fre- 
quents undergrowth as well as tree tops, so, if you 
can induce an adult male to keep still long enough 
on a spring morning, you will readily note the 
yellow crown that sets off his slaty-blue back, and 
the white chin that gives the effect of a choker. 
The adult female is dressed in much the same 
way, but is duller, and offers less marked con- 
trasts in color. In the winter, like many other 
birds, they are both much altered — above they 
are washed with umber brown, and below, a paler 
wash of the same obscures their summer mark- 
ing’s. 
Sometimes you will see large flocks of the yel- 
low-rumped without any other warblers, but as a 
general thing you will discover a few other spe- 
cies, and sometimes there will be a dozen different 
kinds together. The myrtle warbler has a coarse 
