CONTENTS. 



THE FOOD OF CUCKOOS. Page. 



General notes 7 



Examination of stomachs 8 



General insect food of cuckoos 11-14 



Beetles 11 



Bugs ( Remiptera) 12 



Grasshoppers ( Orthoptera) 12 



Caterpillars 12 



Miscellaneous insects 13 



Insects identified in the stomachs of cuckoos 14 



THE FOOD OF SHRIKES. 



Habits of shrikes 15 



Northern shrike or butcherbird 17 



Birds eaten by the butcherbird 17 



Mammals eaten by the butcherbird 19 



Insects eaten by the butcherbird 19 



The loggerhead shrike 20 



Birds eaten by the loggerhead 20 



Mammals eaten by the loggerhead ". . 21 



Other vertebrates eaten by the loggerhead 21 



Insects eaten by the loggerhead 22 



Food of nestling loggerhead shrikes 24 



Summary . . : 24 



List of invertebrates destroyed by the butcherbird 24 



List of insects destroyed by the loggerhead 25 



Other invertebrates destroyed by the loggerhead 25 



Table showing percentages of principal elements of food of the 



butcherbird and loggerhead, calculated by volume , 26 



ILLUSTRATIONS. 



Page. 



Plate I. Butcherbird Frontispiece. 



Fk;. 1. Yellow-billed cuckoo 7 



5 



