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ing is in progress. They collect twigs in the same 

 place, and, having each secured one, fly off to the nest 

 together. Upon arrival, the male transfers his stick 

 to the female and hangs about while she fixes both 

 twigs to the nesc. This usually occupies only a few^ 

 seconds ; but when a difficult point is reached the 

 hen sometimes takes as long as five minutes in 

 adjusting a refractory twig to her satisfaction. The 

 male shows great interest in the pro- 

 ceedings, and when he sees that the twigs 



