. [Articles about birds from National geographic magazine]. Birds. 106 THE NATIONAL GEOGRAPHIC MAGAZINE. Photograph by S. Prentiss Baldwin HOUSE WRENS ARE WELCOME NEIGHBORS Cheerj' and friendly, these sprightly little songsters will nest near a human habitation whenever given any encouragement. A wooden box or an old tin can with a hole small enough to exclude English Sparrows will serve as a home for Mr. and Mrs. Wren. during the first four days of July, 14 times. After an absence it returned July 8 and in the following ten days it was caught 47 times. On July 17 it was car- ried half a mile
. [Articles about birds from National geographic magazine]. Birds. 106 THE NATIONAL GEOGRAPHIC MAGAZINE. Photograph by S. Prentiss Baldwin HOUSE WRENS ARE WELCOME NEIGHBORS Cheerj' and friendly, these sprightly little songsters will nest near a human habitation whenever given any encouragement. A wooden box or an old tin can with a hole small enough to exclude English Sparrows will serve as a home for Mr. and Mrs. Wren. during the first four days of July, 14 times. After an absence it returned July 8 and in the following ten days it was caught 47 times. On July 17 it was car- ried half a mile away and in 20 minutes was back in the trap from which it had been taken. The following day it repeated this performance six times and twice on the 19th, after being carried off and re- leased at a distance of two miles. At Thomasville a pair of Myrtle War- blers developed the trap habit aiid were retaken 30 times during each of two sea- sons, lioth birds usually being in the trap together. Sparrows and most other seed eaters are ground feeders. Traps placed in spots they frequent are usually successful, but even SiJarrows may discriminate and not enter a trap placed in a seemingly propter spot, although they will enter it readily when it has been moved to a loca- tion only a short distance away. At other times one of a pair will freely enter the trap, while its mate persistently avoids it. The capture of various Woodpeckers and other tree-climbing birds presents a different problem, and traps for them must be attached to the tree trunk and baited with a different kind of food. Varying food preferences of birds call for all the knowledge of the operator on the subject. In one instance much effort was spent in unsuccessful attempts to capture Cedar Birds until pieces of apple were tried for bait and the problem was solved. RESULTS SURPRISE BIRD BANDERS The variety of species that mav be trapped explains much of the interest in bird banding. An operator at Sault Ste. Marie in 192
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