boa constrictor, Constrictor constrictor
['platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'orangutan, orang, orangutang, Pongo pygmaeus', 'tiger shark, Galeocerdo cuvieri', 'ostrich, Struthio camelus', 'hourglass', 'peacock', 'echidna, spiny anteater, anteater']