. Camera studies of wild birds in their homes . Fig. 167. NEST OF BUSH-TIT. In southern California, the birds are quite common but,because of their small size are not as apt to be noticed asare the nests that hang conspicuously from the branches ofmany of the oaks. Nimble as our chickadees are, their acro-batic feats are more than equaled by those of this tiny crea-ture which delights in whirling about tiny branches or drop-ping from one to another while upside down. 198 Their diminutive forms and gray color make them veryinconspicuous and their weak voices are not likely to callattention to t
. Camera studies of wild birds in their homes . Fig. 167. NEST OF BUSH-TIT. In southern California, the birds are quite common but,because of their small size are not as apt to be noticed asare the nests that hang conspicuously from the branches ofmany of the oaks. Nimble as our chickadees are, their acro-batic feats are more than equaled by those of this tiny crea-ture which delights in whirling about tiny branches or drop-ping from one to another while upside down. 198 Their diminutive forms and gray color make them veryinconspicuous and their weak voices are not likely to callattention to them as they industriously search thickets and*foliage of large trees, ridding them of quantities of Fig. 168. Female Golden-winged Warbler returning to hernest. She was very tame and I made s negatives of her but un-fortunately all except this were Hight-struck/ 199 THE GLEANERS. Birds are the natural conservators of our trees. One oftheir chief offices is the destruction of insects whose rav-ages destroy the foliage or eat the very hearts out of ourshade and forest trees. Chief among the gleaners of the foliage are the warblers
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