 ... diet. All these are more or less harmful, except a few predaceous beetles, which amount to 8 per cent; but, in view of the large consumption of grasshoppers and caterpillars, we can at least condone this offense, if such it may be called. The destruction...  The Canadian Record of Science - Page 5251897Full view - About this book
 | Foster Ellenborough Lascelles Beal - 1897 - 44 pages
...view of the large consumption of grasshoppers and caterpillars, we can at least condone this offense, if such it may be called. The destruction of grasshoppers is very noticeable in the mouths of August and September, when these insects form more than GO per cent of the diet. It is evident... | |
 | 1901 - 1256 pages
...view of the large consumption of grasshoppers and caterpillars we may at least condone this offense, if such it may be called. The destruction of grasshoppers Is very noticeable iu August and September, when these Insects make up about 53 per cent of the diet. It is evident that... | |
 | Connecticut. State Board of Education - 1906 - 898 pages
...a number of spiders, comprise the remainder of the insect diet. All these are more or less harmful. The destruction of grasshoppers is very noticeable...these insects form more than 60 per cent, of the diet. " Bluebirds are so well known that it seems unnecessary to urge anything more in their favor ; but... | |
 | Mabel Osgood Wright - 1907 - 566 pages
...Beetles constitute 28 per cent of the whole food, grasshoppers 22 per cent, caterpillars 11 per cent, and various insects, including quite a number of spiders,...insects form more than 60 per cent of the diet.' " It is not easy to tempt Bluebirds to an artificial feeding-place, such as I keep supplied with food for Juncoes,... | |
 | Jefferson Butler - 1907 - 152 pages
...view of the large consumption of grasshoppers and caterpillars, we can at least condone this offense, if such it may be called. The destruction of grasshoppers...insects form more than 60 per cent of the diet." It is not easy to tempt Bluebirds to an artificial feeding-place, such as I keep supplied with food for Juncos,... | |
 | Kansas State Horticultural Society - 1908 - 320 pages
...Beetles constitute 28 per cent. of the whole food; grasshoppers, 22 per cent.; caterpillars, 1 per cent. The destruction of grasshoppers is very noticeable...insects form more than 60 per cent. of the diet." The Cardinal grosbeak, or redbird, and the Rose-breasted grosbeak, according to Mr. Dutcher, and also... | |
 | Indiana. Commissioner of Fisheries and Game - 1913 - 346 pages
...view of the large consumption of grasshoppers and caterpillars, we can at least condone this offense, if such it may be called. The destruction of grasshoppers...these insects form more than 60 per cent, of the diet. So far as known, the bluebird has not been accused of stealing fruit or of preying upon crops, and... | |
 | 1914 - 1178 pages
...view of the large consumption of grasshoppers and caterpillars we may at least condone this offense, if such it may be called. The destruction of grasshoppers is very noticeable in August and September, when these insects make up about 53 per cent of the diet. It is evident that... | |
 | Foster Ellenborough Lascelles Beal - 1915 - 36 pages
...view of the large consumption of grasshoppers and caterpillars we may at least condone this offense, if such it may be called. The destruction of grasshoppers is very noticeable iu August and September, when these insects make up about 53 per cent of the diet. It is evident that... | |
 | 1916 - 574 pages
...view of the large consumption of grasshoppers and caterpillars we may at least condone this offense, if such it may be called. The destruction of grasshoppers is very noticeable in August and September, when these insects make up about 53 per cent of the diet. It is evident that... | |
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