Seriema these birds in the Tupian languages are variously spelled as "siriema", "sariama", and "çariama", and mean "crested". Both species are around long (the red-legged seriema is slightly bigger than the black-legged, with 90 and 70–85 cm respectively). They forage on foot and run from danger rather than fly (though they can fly for short distances, and they roost in trees). They have long legs, necks, and tails, but only short wings, reflecting their way of life. They are among the largest ground-dwelling birds endemic of the Neotropics (only behind rheas). They are brownish birds with short bills and erectile crests,
What Is a Nation? and continues to be invoked. Political historian Karl Deutsch, in a quote sometimes mistakenly attributed to Renan, said that a nation is "a group of people united by a mistaken view about the past and a hatred of their neighbours". Benedict Anderson's 1983 work Imagined Communities, which states that a nation is an "imagined political community", argues that Renan contradicts himself when he says French people must have forgotten the St. Bartholomew's Day massacre, yet does not explain what it is. In other words, Renan assumes that all his readers will remember the very massacre he says they have forgotten.