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They installed 420 camera traps in key protected areas, amassing some 52,000 photographs between 2008 and 2010.

他们在重点保护区内设置了420台触发式照相机，并在2008年到2010年收集了大约52,000张照片。

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For instance, one FFI photographer discovered that a big cat had been following him as he set camera traps, Martyr said.

例如，野生动植物保护国际的一名摄影师发现，在他设置相机陷阱的时候，一只大猫一直跟着他。

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Zoo staff are currently raising funds to provide weather stations and camera traps to assist researchers in Madagascar to collect environmental data.

BBC: Linton Zoo celebrates rare white-collared lemur birth

The clouded leopard, the largest predator on Borneo, appears to live at very low densities within the reserve, as it has only rarely been photographed by the researchers or camera traps.

BBC: Earth News - Clouded leopard: First film of new Asia big cat species