The wildlife workers test the animals' response to various scents by spraying tree stumps with different perfumes or placing cinnamon or other spices in the animals' environment.

研究人员把不同的香水喷洒在树桩上，或是在动物生活的环境中放上肉桂及其他香料，观察它们对于不同气味所做出的反应。

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Safety barriers and fencing will offer protection to wildlife and workers during construction and after the road is completed.

BBC: A11 dual carriageway in Suffolk and Norfolk to be completed

They were adopted over the past 20 years as a less toxic replacement of organophosphate pesticides, which are known to kill bees and wildlife, and have been linked to health problems in workers.

FORBES: Science Collapse Disorder -- The Real Story Behind Neonics And Mass Bee Deaths