This bird shown in an illustration is distinguished from the heron by the bustle of feathers over its rump
[DOC] [TLE] Wikipedia Terms - Princeton University [PAR] bird  formula ...... interchange  illustration ..... feather  erosion .... distinguished  
distortion  pro ...... bustle  boson ..... butt ...... voice-over ...... heron ...... its  ised... [DOC] [TLE] Darwin's Beagle Library - Darwin Online [PAR] Apr 28, 2014 ...