Totipalmate, or Fully Webbed Swimmers 



The hooked bill that helps hold a slippery fish secure; the 

 iridescent black and brown plumage, which is the same in both 

 sexes ; and certain special featherings of a temporary character 

 that are worn during the nesting season only, are among the 

 most noticeable characteristics of this family. 

 Double-crested Cormorant. 



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