The two would finish in a draw for the theme of European Rabbit. In comparison to the European rabbit, the hare has a proportionally smaller stomach and caecum. The most costly species were listed as being the European rabbit and Japanese knotweed. European rabbit kittens are born blind, deaf, and nearly naked. Introduced species include the red fox, European rabbit, and feral cat. Domestication of the European rabbit rose slowly from a combination of game-keeping and animal husbandry. The European rabbit is prey to many different predatory species. An adult European rabbit can measure in length, and weigh . The European rabbit has been introduced to many places around the world. The three European lagomorphs are the European rabbit, mountain hare and European hare. It mainly preys on European rabbit ("Oryctolagus cuniculus") and field vole ("Microtus agrestis"). Unlike the brown hare, the male European rabbit is more heavily built than the female. The European rabbit is usually a silent animal, though it has at least two vocalisations. The European rabbit appears to be secondary in Hungary, where it comprised 14.3%.