sturgeon
['cleaver, meat cleaver, chopper', 'little blue heron, Egretta caerulea', 'nematode, nematode worm, roundworm', 'grey fox, gray fox, Urocyon cinereoargenteus', 'American egret, great white heron, Egretta albus', 'Saint Bernard, St Bernard', 'swab, swob, mop']