Two broad nosed caimans were sent to a zoo in the nearby city of Niteroi.
去年，两头宽吻凯门鳄被送到了尼泰罗伊附近的动物园。
The former method is preferable with caimans.
前者最好的方法是凯门鳄。
They reach their monumental size on a diet of wild pigs deer birds turtles capybara caimans and even jaguars.
长到如此大的尺寸，是由于它们可以捕食野猪，鹿，鸟，龟，水豚，凯门鳄甚至美洲虎。
It is mentioned here for one simple reason - to prevent people from dumping unwanted caimans in the nearest stream or pool.
这里所说的是一个简单的原因-以防止人们从池中流或倾倒有害凯门鳄在最近的。
Last year, two broad nosed caimans were seized by civil police in a Rio favela and sent to a zoo in the nearby city of Niteroi.
警方去年从里约贫民窟里抓到了两头宽吻凯门鳄，送到了附近城市尼泰罗伊（Niteroi）动物园。
Worse still was the realisation that we were in constant danger from anacondas, caimans (a sort of small alligator) and piranha fish.
更糟的是我们意识到我们会不断遭遇水蟒、凯门鳄和食人鱼。
However, researchers found that piranha most likely group together as a defense against such predators as river dolphins, caimans and bigger fish, and not to engage in feeding-frenzies.
然而，研究者们发现，食人鱼群集的时候多数情况是防御那些如淡水豚、鳄鱼和大型鱼等掠食者的攻击，而不是进行食物猎取。
However, researchers found that piranha most likely group together as a defense against such predators as river dolphins, caimans and bigger fish, and not to engage in feeding-frenzies.
然而，研究者们发现，食人鱼群集的时候多数情况是防御那些如淡水豚、鳄鱼和大型鱼等掠食者的攻击，而不是进行食物猎取。
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