How would living on Mars, or in sea colonies, be any different, except that the environment would be a tad more demanding?

如何将生活在火星上，或在海上的殖民地，有什么不同，只是一点点的环境会更加苛刻？

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The islands are famed for their colonies of sea birds.

这些岛屿因有成群的海鸟居住而闻名。

《柯林斯英汉双解大词典》

The African colonies clustered in particular around the great promontory which, with Sicily opposite, forms the narrowest channel on the main Mediterranean sea route.

非洲殖民地尤其集中在大海角周围，该海角与西西里岛相对，形成了地中海主要航线上最窄的航道。

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Other must-dos on Catalina include snorkeling, kayaking (the region is home to colonies of sea lions, dolphins and whales) and a visit to Casino Point Underwater Park.

FORBES: Travel

Introduced to control the rats that had arrived with sailors, they had instead chosen to prey on the vast colonies of sea birds that roosted on the lava plains, wiping them out.

ECONOMIST: Ascension Island

Colonies gather far inland after long treks across sea ice, where the females lay just one egg that is tended by the male.

BBC: Emperor penguins face extinction