 The Sparrow Hawk is almost exclusively insectivorous except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks congregate, often in moderate-sized flocks, and gorge themselves continuously....  Bird-lore - Էջ 1451903Ամբողջությամբ դիտվող - Այս գրքի մասին
 | U.S. department of agriculture Commissioner's OFfice - 1889 - 842 էջ
...almost exclusively insectivorous except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...grasshopper crop is so lessened that their hunger can not be appeased without undue exertion. Then other kinds of insects and other forms of life contribute... | |
 | United States. Department of Agriculture - 1889 - 858 էջ
...almost exclusively insectivorous except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...grasshopper crop is so lessened that their hunger can not be appeased without undue exertion. Then other kinds of insects and otner forms of life contribute... | |
 | 1889 - 860 էջ
...almost exclusively insectivorous except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...grasshopper crop is so lessened that their hunger can not be appeased without undue exertion. Then other kinds of insects and other forms of life contribute... | |
 | United States. Department of Agriculture - 1889 - 852 էջ
...where grasshoppers and crickets are abundant these hawks congregate, often in moderate-sized Hocks, and gorge themselves continuously. Rarely do they...grasshopper crop is so lessened that their hunger can not be appeased without undue exertion. Then other kinds of insects and other forms of life contribute... | |
 | 1893 - 320 էջ
...almost exclusively insectivorous except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...moderate-sized flocks, and gorge themselves continuously. Barely do they touch any other form of food until, either by the advancing season or other natural... | |
 | Albert Kenrick Fisher - 1893 - 324 էջ
...almost exclusively insectivorous except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...moderate-sized flocks, and gorge themselves continuously. Barely do they touch any other form of food until, either by the advancing season or other natural... | |
 | 1895 - 656 էջ
...almost exclusively insectivorous, except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...until, either by the advancing season or other natural muses, the grasshopper crop is so lessened that their hunger can not be appeased without undue exertion.... | |
 | 1898 - 262 էջ
...almost exclusively insectivorous, except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...moderate-sized flocks, and gorge themselves continuously. Earely do they touch any other form of food until, either by the advancing season or other natural... | |
 | Theodore Sherman Palmer - 1900 - 108 էջ
...almost exclusively insectivorous, except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant these hawks...grasshopper crop is so lessened that their hunger can not be appeased without undue exertion. Then other kinds of insects and other forms of life contribute... | |
 | Mabel Osgood Wright - 1907 - 566 էջ
...almost exclusively insectivorous, except when insect food is difficult to obtain. In localities where grasshoppers and crickets are abundant, these Hawks...they touch any other form of food until, either by advancing season or other natural causes, the grasshopper crop is so lessened that their hunger cannot... | |
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