echidna, spiny anteater, anteater
['hippopotamus, hippo, river horse, Hippopotamus amphibius', 'Indian cobra, Naja naja', 'spaghetti squash', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'Dungeness crab, Cancer magister', 'spotted salamander, Ambystoma maculatum', 'wallaby, brush kangaroo']