* I (HlRUNDINIDAE 



SWALLOWS 



The Swallows are known the world over. They have a wide 

 mouth ; long, strong wings ; tail more or less forked ; feet small 

 and weak ; plumage lustrous with metallic shadings. 

 Flight circling. They feed on insects caught in the air. Perch 

 often on telegraph wires, seldom alight on the ground. Nest and 

 migrate in flocks. 



