Harp seals make ice their main habitat, and they give birth on ice, partly as protection from predators on land.

格陵兰海豹主要生活在冰上，并且在冰上产崽。这么做，部分原因是出于躲避陆地上的掠食者。

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Saltwater crocodiles are the largest reptiles on the planet. Their main habitat is northern Australia and New Guinea, Indonesia and Borneo.

咸水鳄鱼是地球上最大的爬行动物，它们的主要栖息地是澳大利亚北部、新几内亚、印尼等地，它们不仅吃牛马等家畜，还吃人，甚至攻击鲨鱼。

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Human disturbance, slope aspect, the density of fall log and stub and rock percent sum up the main habitat characteristic of the forest musk deer.

林麝生境的主要特征表现为人为干扰、坡向、倒木和树桩密度、基底岩石面积比等方面。

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She said coral tends to be the main habitat for many fish.

VOA: standard.2010.05.26

The Arctic ice is their main habitat, and when it goes, their numbers are expected to drop dramatically, says Colin Butfield - the campaign's director for the World Wildlife Fund.

VOA: standard.2009.12.13

The main threats to Africa's birds are habitat clearance and the encroachment of farmland, scientists say.

BBC: Africa's birds face farming threat

He said the main cause of decline in wild bees, such as mining and mason species, was loss of habitat due to a variety of reasons including urban development.

BBC: Oxford's The Kidneys Jubilee flower meadow for bees