他把照相机放在巢箱里，以追踪鸟儿的睡眠模式。

He puts cameras inside nesting boxes to track sleeping patterns.

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当蚁群的巢箱盖子被揭开时，一股死蟑螂的气息扑面而来。

When the lid of the nest box on an ant colony is raised, a whiff of dead cockroach wafts by.

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多米诺尼博士把摄像机放在巢箱里，以追踪鸟儿的睡眠模式。他说，睡眠不足可能会危及鸟儿的健康。

Dr Dominoni, who is putting cameras inside nesting boxes to track sleeping patterns, said lack of sleep could put the birds' health at risk.

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