Among the several subclasses (or "orders" in biology) of reptiles are snakes and lizards, turtles and tortoises, crocodiles and alligators, and the tuatara, a marine lizard in New Zealand.

在几个亚纲（或生物学的“目”）的爬虫类中，有蛇和蜥蜴、乌龟和陆龟、鳄鱼和短吻鳄以及虫蜥蜴——一种现存于新西兰的海蜥蜴。

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Most people regard crocodiles as more aggressive than alligators, and this is true of some species.

大多数人关于鳄鱼的鳄鱼相比更积极，这是真正的某些物种。

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British man in Oxford, the UK, keeps 24 crocodiles and alligators in his back garden, the largest collection of crocodiles in the country, the Daily Mail reported.

据英国《每日邮报》报道，英国牛津一男子在家中养了24只鳄鱼当宠物，他家后花园也成为全英国最大的“鳄鱼聚居区”。

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The Everglades is the only place on Earth where fresh water alligators and saltwater crocodiles live in the same area.

VOA: special.2009.06.30

Other large tropical reptiles, such American crocodiles, tend not to avoid the cold, whereas temperate species, such as American alligators, do, and will retreat to warmer refuges when temperatures fall.

BBC: Earth News - Cold snap in Florida halts advancing python snakes