1. (n.) The California gray whale.

2. (n.) The redbreasted sandpiper or knot.

3. (n.) The dowitcher.

4. (n.) The body louse.

Chinese windlass Dungeness crab Japanese crab Spanish windlass air a grievance bank beef bellyache bellyacher bitch bleat blue point bollix capstan cat flea chigoe clam clamor cockroach complain complainant complainer coquillage cramp crane crank crawdad crawfish crayfish crib crimp croak croaker crosspatch derrick dip dog flea erector faultfinder feather fishtail flea forklift foul up fret fret and fume frondeur fuss gantry crane grayback gripe griper groan grouch grouse grouser growl growler grumble grumbler grunt gum gum up hoist holler howl hydraulic tailgate jack jackscrew jigger kick kicker kvetch langouste lever lift lifter limpet littleneck clam lobster lodge a complaint loop louse louse up malcontent mite murmur murmurer mussel mutter mutterer nit oyster parasite periwinkle plow porpoise prawn pull out pull up push down quahog queer querulous person raise a howl reactionary reactionist rebel red bug reel register a complaint roach roll sand flea scallop shellfish shrimp sideslip skid snafu snail soft-shell crab sorehead spin spiral squawk steamer stunt tackle take on undulate vermin weevil whelk whiner winch windlass yammer yap yaw yawp yelp