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English

In March 1837, ornithologist John Gould announced that Darwin's rhea was a separate species from the previously described rhea (though their territories overlapped), that mockingbirds collected on the Galápagos Islands represented three separate species each unique to a particular island, and that several distinct birds from those islands were all classified as finches.

Spanish

En marzo de 1837, el ornitólogo John Gould anunció que el ñandú de Darwin era una especie diferente del ñandú descrito anteriormente —aunque esas islas se clasificaron como pinzones.