little was known to outsiders about Raine Island. 外界对雷恩岛知之甚少
his ground-breaking ideas about evolution, 关于进化的开创性观点
brought about by the urban environment. 环境变化的物种之一
There are about 60 hyenas in each clan. 两边队伍各有六十只左右
animals can't afford to be choosy about what they eat. 动物们也无权挑剔自己的饮食
But this devastation is about to get a lot worse. 而这巨大的灾难正愈演愈烈
He's brightly coloured, but about the size of a sparrow. 他颜色艳丽 但只有麻雀大小
about the animals for which this is home... 都值得我们去探索