The fauna of England is similar to that of other areas British Isles and lies within the Palearctic realm. England's fauna is mainly made up of small animals and is notable for having few large mammals, but in similarity with other island nations; many bird species. England for the most part has an oceanic climate, which lacks extremes of heat or cold and provides plentiful rainfall making the country a rather 'green' environment and providing much food for small and grazing animals.