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visible, as it twists its wise-looking head from 

 side to side while watching the voyagers. 



BLACK-BACKED GULL. 



The gull is an exclusively marine bird, being 

 found only on the sea-shore or at the mouths of 

 large rivers, although more than usually violent 

 storms occasionally drive it inland, where it 

 wanders about for some time very miserable, and 

 quite out of its element, until it gets shot by 

 some rustic sportsman. 



The next bird to which our attention will be 

 directed is the Common Tern {Sterna hirundo), 

 or Sea Swallow, as it is very appropriately called. 

 It belongs to the gull family, and has many of 



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