DUCK-BILLED • DICCIONARIO INGLES.COM • Definition of Duck-billed

... the earth's surface, they imprisoned the recently created animals in separate groups, kept as completely from mixing together as the fallow-deer of one loftily-walled park are kept from mixing with the white oxen of another loftily-walled park, or as the kangaroos or duck-billed quadrupeds of Australia are kept by the surrounding ocean from mixing with the tigers of Sumatra or the tortoises of Madagascar. I employ the writer's own happy illustration:—"In some places these fragments" of the earth's crust "would be piled more or less above ...

— The Testimony of the Rocks - or, Geology in Its Bearings on the Two Theologies, Natural and Revealed • Hugh Miller

... these words are, is as monstrous as for a painter to compose an animal not out of the elements, but out of the entire bodies of several, of an ass, for instance, a cock and a crocodile, so as to produce an outrageous individual, with whom even a duck-billed Platypus would think twice before he fraternized—ornithorynchous and paradoxical though he be, ...

— Spare Hours • John Brown