. . located. With the encroach-ment of civilization, all have vanished save the crow, whichcontinues to nest in considerable numbers within the citylimits of Chicago. From October to April they congre-gate at dusk by the hundreds about some favorite roostingplace, and at early morn they scatter about the country,apparently in search of adventure as well as of food. The nesting season extends from March to June,according to locality. In the Great Lakes region eggs aredeposited in April. Nests are placed from twenty-five toseventy feet
. . located. With the encroach-ment of civilization, all have vanished save the crow, whichcontinues to nest in considerable numbers within the citylimits of Chicago. From October to April they congre-gate at dusk by the hundreds about some favorite roostingplace, and at early morn they scatter about the country,apparently in search of adventure as well as of food. The nesting season extends from March to June,according to locality. In the Great Lakes region eggs aredeposited in April. Nests are placed from twenty-five toseventy feet above the ground, preferably in the crotchof a forest tree. In Dakota, where timber is scarce, duringthe latter part of May, 1900, I found them nesting onlyten feet above the ground. Recently I have located aboutChicago several nests which were only fifteen feet abovethe ground, while other pairs continue housekeeping atan elevation of sixty feet. The bulky, substantial nests are constructed of twigs,hay, roots, grass, and sod, with a lining of finer material. CLARKES NUTCRACKER (Nucifraga columbiana)- About y,. Life-size. CROWS, JAYS, ETC. 277 consisting of bark strips and bunches of hair and years nests are a favorite receptacle for the eggs ofthe horned and barred owls, which utilize them for breedingpurposes in February and March. The four to seven eggsso vary in size, shape, and color, that eggs from the samenest frequently appear to have been laid by different Silver Spot, the Crow, by Ernest Seton-Thompson. CLARKES NUTCRACKER Clarkes Nutcracker, or Clarkes Crow, is smaller thanour true crows but larger than the jays. It is a shy,cautious bird inhabiting the mountainous regions of theUnited States and Canada. Comparatively little has beenwritten about the habits of this bird owing to its shynessand retiring disposition. Naturalists find it difficult tovisit the breeding grounds while the birds are laying theireggs or rearing their young. Their food c
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Keywords: ., bookcentury1900, bookdecade1910, booki, booksubjectnaturalhistory
