pelican
['killer whale, killer, orca, grampus, sea wolf, Orcinus orca', 'ant, emmet, pismire', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'airliner', 'pier', 'prairie chicken, prairie grouse, prairie fowl', 'airship, dirigible']