As part of its adaptations for hunting in the savannas , the serval boasts long legs ( the longest of all cats , relative to body size ) for jumping , which also help it achieve a top speed of , and has large ears with acute hearing .
As part of its adaptations for hunting in the savannas , the serval has long legs ( the longest of all cats , relative to body size ) which help it achieve a top speed of 80 kilometres per hour ( 50 mph ) , and has large ears with acute hearing .