x Illustrations 



PAGE 



FIG. 5 .^-Kingbird's nesting tree, and nesting branch removed 

 and mounted on stakes with tent. The tent-cloth is 

 laid in position at one end of peak, and ready to be 

 drawn over frame. The Kingbird pictures were all 

 made on this spot . . . . . . .9 



PIQ 6. Female Kingbird astride nest, in "shielding" attitude, 10 



FIG. 7. Kingbird family, the female partly hidden at the back. 

 It was an easy matter to focus directly upon the head 

 of the standing or brooding bird . . . . . i r 



p IG g. Female Bluebird with cricket at converted nest-hole of 



Flicker i 



FIG. 9. Outdoor observatory for the study of wild birds com- 

 plete. See Figs. 16-30 . . . . . .16 



FIG. 10. Chestnut-sided Warbler "shielding" on a warm day. See 



Figs. 2 and 3 . . . 19 



FIG. ii. Red-breasted Nuthatch taking an insect to nest; white 



photographic screen at back . . . . .26 



FIG. 12. Cedar-bird's nest in pine, 15 feet from the ground. Up- 

 stretched neck of the old bird could be seen at a point 

 just beneath the upper arrow-head. Nesting bough 

 carried to field beyond, and mounted as shown in 

 Figs, i and 13 ...... '. . 30 



FIG. 13. Nesting branch of Cedar-bird set up in field and tent 



pitched beside it. Compare Figs, i and 12 . . . 31 



FIG. 14. Family of Great Herring Gulls on their preserve, which 

 includes the nest, the perches, the feeding spot and 

 cover of the young. Great Duck Island, Maine, July, 



1903 34 



Kingbird on its favorite perch in the treetop . . -35 



FIG. 15. The Cedar- bird stands like a statuette, while inspecting 



her family . . . . . . . . -37 



FIG. 1 6. Wren climbing to nest-hole, with the plump abdomen of 

 a dismembered spider in bill. In the running series, 

 which follows, the female invariably appears. See 

 Fig. 9 . ... 40 



FIG. 17. A black cricket is the next victim offered ... 40- 



FIG. 18. Then appears the limp body of a grasshopper or moth . 40- 



FIG. 19. Pinched between the sharp points of its mandibles, the 

 Wren now carries a moth, from which the outer wings 

 have been torn . . ' . . . . . .40 



FIG. 20. The Wren takes a glance around before entering her dark 



cabin . . . . . . . . . .41 



FIG. 21. Cleaning the nest . . . . . . . .41 



FIG. 22. The trunk sawn open; at the nest with food . . .41 



