I've been lucky enough to watch chimps in their natural home, 我很幸运能够观察生活于自然家园的黑猩猩
..they will have to go against their natural instincts... 它们就不得不违背本能
..but at a cost to the natural world. 但这是以自然世界的损害为代价的
And it shows you what little is left of their natural habitat. 这表明鬃狼的自然栖息地已经寥寥无几
the sea lions have changed their natural behaviour 海狮已经改变了自然习性
As a rule, wildlife film-makers observe natural behaviour 通常来说 野生纪录片团队只应观察生命的自然习性
Columbus crabs were once only found on natural debris, 哥伦布蟹曾经只能在天然漂浮物上发现
are changing their natural behaviour... 这里的海狮正在改变它们天生的习性