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TEXT-BOOK OF ZOOLOGY 



winter, when it frequently revels in a superabundance of its favourite 

 diet. The nest is constructed with much skill, and placed under over- 



COMMON CROSSBILLS. (The adult birds in the foreground about one-third natural sixe. 



hanging branches as a protection against snow. As the young are 

 hatched with a thick coat of down they do not suffer .from the winter 

 cold, and, moreover, " a full stomach is a warm cloak " ; besides, the 



