List of Illustrations 



Between Pages 



Yellow Warbler on Nest 50-51 



Young Warblers Eight Days Old . . . 50-51 



Bush Willows Along a Winding Creek . . 52-53 



Trees to which Camera Was Clamped 52-53 



Swallow Returning to the Nest . . . 54-55 

 Young Swallow within Hole Begging for 



Food 54-55 



Young Swallows 56-57 



Back View of Young Swallows . . . 56-57 



Swallow Cleaning the Nest 58-59 



Three Young Swallows and an Adult 



Flying 58-59 



Mourning Dove on Nest on a Sloping Log 60-61 



Mourning Dove's Nest in the Shoots . 60-61 



Young Mourning Dove 62-63 



The Great Horned Owl Leaving Its Nest 62-63 



Young Owls about Ten Days Old 64-65 



Young Horned Owls about Two Weeks Old 64-65 



Young Owls at Three Weeks .... 66-67 



Young Owls at Four Weeks .... 66-67 

 Kingbird Thrusting Food Down Throat of 



Hungry' Young 68-69 



Kingbird Feeding Young 68-69 



Parent Kingbird Thrusts Food Down 



Forcefully 70-71 



9 



