Wiktionary
elephant birds
n. (plural of elephant bird English)
Usage examples of "elephant birds".
Modern bird species vary greatly in their ecology and lifestyle, from aerial fliers to terrestrial runners and marine divers, from tiny hummingbirds to giant extinct elephant birds, and from penguins nesting in the Antarctic winter to toucans breeding in tropical rainforests.
They included giant elephant birds, primitive primates called lemurs as big as gorillas, and pygmy hippos.