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قراءة كتاب Bird Houses Boys Can Build
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Elmer Knutson, St. Cloud, Minn. Figs. 30, 31.
National Association of Audubon Societies, 1974 Broadway, New York City. Figs. 1, 2, 3, 4, 5, 6, 7, 8.
Chas. Tesch, Milwaukee, Wis. Fig. 64.
The Crescent Co., Toms River, N. J. Figs. 35, 49, 50.
United States Department of Agriculture Bulletins; Figs. 20, 51, 65.
Youths Companion, Perry Mason Co., Boston, Mass. Figs. 58, 59, 60, 61.
Peoria, Ill., March, 1916.
CONTENTS
| PAGE. | |
| Birds That Live in Nesting Boxes | 7 |
| Bluebird—robin—chickadee—wren—house | |
| finch—woodpecker—flicker—martin | |
| Construction of Bird Houses | 15 |
| Dimensions of nesting boxes—houses of sawed | |
| lumber—rustic houses—cement and stucco houses | |
| Placing Houses | 36 |
| Feeding Shelves and Shelters | 37 |
| Foods | |
| Bird Baths | 48 |
| Bird Enemies | 51 |
| Men—ants and vermin—English or house | |
| sparrow—sparrow traps | |
| Bird House Exhibitions | 54 |
| Bibliography | 57 |
| Bird and bird house literature | |
| Index | 59 |
BIRDS THAT LIVE IN NESTING BOXES.
Certain varieties of birds will nest in homes built for them if these houses are of the right shape and dimensions. Other birds may be just as desirable but do not build nests and rear their young in boy-made nesting boxes. We are therefore mainly concerned with the first group which select cavities in trees for their homes if nothing better is to be found.
FIG. 1. BLUE BIRDS, ADULTS AND YOUNG BIRD.
BLUEBIRD.
This bird may be found during the summer months in most of the states east of the Rocky Mountains, Figs.