leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea
['black swan, Cygnus atratus', 'coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch', 'tick', 'sea anemone, anemone', 'slug', 'nematode, nematode worm, roundworm', 'puck, hockey puck']