In Sub-Saharan Africa
               and Madagascar.
          
         
            
               Egretta ardesiaca
            
               (L 19-20")
          
         
         
            
               Canopy feeding - uses wings
               as an umbrella to create
               shade to attract fish.
          
         
         
            
               © Peter
               Boesman
            
               Macaulay
               Library
          
         
            
               Egretta is from old French
               aigrette for heron; ardesiaca is
               Latin for slate colored.