Blue-gray Gnatcatcher. 



These charming little birds are verj' common in the 

 southern half of the United States. Their bod_v is but little 

 bigger than that of a hummingbird, but a rather long tail 

 makes the total length of the bird a great deal more. 



Their call notes can often be heard coming from the high 

 trees tliat the_v like to frequent. It is a sound that would 



Fig. S3. XEST OF BI.UE-GRAY GNATCATCHBRS. 



escape the notice of many observers, — not loud and with an 

 insect-like quality that might cause it to be overlooked, — a 

 rather, twanging, high-pitched mew. Their song is a mixed 

 medley of faint noises, not worthy of the name of a song, 

 but it expresses their pleasure and. to them, it may be as 



