hognose snake, puff adder, sand viper
['ear, spike, capitulum', 'partridge', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'earthstar', 'tiger shark, Galeocerdo cuvieri', 'echidna, spiny anteater, anteater', 'American alligator, Alligator mississipiensis']