Serval a tree to a height of more than to escape dogs. Like many cats, the serval is able to purr; it also has a high-pitched chirp, and can hiss, cackle, growl, grunt and meow. The serval is a carnivore that preys on rodents, particularly vlei rats, small birds, frogs, insects and reptiles, and also feeds on grass that can facilitate digestion or act as an emetic. Up to 90% of the preyed animals weigh less than ; occasionally it also hunts larger prey such as duikers, hares, flamingoes and young antelopes. The percentage of rodents in the diet has been
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.