CONSPICUOUSLY BLACK AND WHITE 403 
twigs overhead, never missing one. ‘Twenty of these 
worms is an average meal for a Black-throated Gray 
Warbler, and the total for a day must reach into the 
hundreds. When several of these busy workers hunt 
through a tree together, we may feel sure that it must be 
clean by the time they finish the task. 
665. BLACK-THROATED GRAY WARBLER. 
** They lean away over to peer under every leaf.’’ 
Pp y 
Their common note is a sharp “ chip,” and their song 
is rich and very strong during the nesting season. One 
remarkable trait of these birds is the philosophical calm- 
ness which they exhibit over any domestic catastrophe. 
When their nest is destroyed by jays or other enemies, 
there is a quiet consulting together over the misfortune, 
