11 
of a single Bob-white contained 101 potato-beetles; and that of another 
upwards of 500 chinch-bugs. A yellow-billed cuckoo shot at six in the 
morning contained forty-three tent caterpillars. A robin had eaten 175 
larvae of Bibio, which feed upon the roots of grasses, ete. . 
Birds, like all other animals, feed upon that food which is most readily. 
obtained, hence the insectivorous kinds destroy those insects which are the 
most numerous—the injurious species; and likewise the seed-eaters subsist 
largely upon the seeds of our weeds. 
