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Wild Birds 



Swifts desert their young in order to start on their migrations. 

 When one instinct has been satisfied, wild birds must obey the 

 next in sequence, which seems to possess them with the force of 

 a resistless passion. Some instincts appear to be diffused, or 

 what may be really different emotions lead to similar conduct, 



FemalC Bluebird witl > cricket in bill, ready to enter nest- 



as when Gulls, which may have dependent chicks, are con- 

 mually picking up grass and sticks. They will even carry 

 them to a definite spot and settle over them, as if actually 

 intent upon building a nest. 



The reproductive cycle is repeated in many wild species 

 some of which, like Robins and Bluebirds, rear two or three 



