Camera traps became the main observational method of a myriad of species over large areas. Data sets from camera traps can be used to describe the patterns and monitor the occupancy, abundance, and richness of wildlife, essential information for conservation in times of rapid climate and land‐cover changes. Habitat loss and poaching are responsible for historical population losses of mammals in the Atlantic Forest biodiversity hotspot, especially for medium to large‐sized species. Here we present a data set from camera trap surveys of medium to large‐sized native mammals (>1 kg) across the Atlantic Forest. We compiled data from 5380 ground‐level camera trap deployments in 3046 locations, from 2004 to 2020, resulting in 43,068 records of 58 species. These data add to existing data sets of mammals in the Atlantic Forest by including dates of camera operation needed for analyses dealing with imperfect detection. We also included, when available, information on important predictors of detection, namely the camera brand and model, use of bait, and obstruction of camera viewshed that can be measured from example pictures at each camera location. Besides its application in studies on the patterns and mechanisms behind occupancy, relative abundance, richness, and detection, the data set presented here can be used to study species' daily activity patterns, activity levels, and spatiotemporal interactions between species. Moreover, data can be used combined with other data sources in the multiple and expanding uses of integrated population modeling. An R script is available to view summaries of the data set. We expect that this data set will be used to advance the knowledge of mammal assemblages and to inform evidence‐based solutions for the conservation of the Atlantic Forest. The data are not copyright restricted; please cite this paper when using the data.

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大西洋森林哺乳动物的相机陷阱调查：考虑不完美检测的分析数据集（2004-2020）

相机陷阱成为大面积观察无数物种的主要方法。相机陷阱的数据集可用于描述模式并监测野生动物的占有率、数量和丰富度，这是气候和土地覆盖快速变化时期保护的重要信息。栖息地丧失和偷猎是造成大西洋森林生物多样性热点地区哺乳动物数量历史性减少的原因，尤其是中型到大型物种。在这里，我们展示了对大西洋森林中型到大型本土哺乳动物（> 1 公斤）进行相机陷阱调查的数据集。我们收集了 2004 年至 2020 年 3046 个地点的 5380 个地面相机陷阱部署的数据，得出 58 个物种的 43,068 条记录。这些数据添加到大西洋森林哺乳动物的现有数据集中，包括处理不完美检测的分析所需的相机操作日期。如果有的话，我们还提供了有关检测的重要预测因素的信息，即相机品牌和型号、诱饵的使用以及相机视域的遮挡，这些信息可以从每个相机位置的示例图片中测量出来。除了应用于研究占用、相对丰度、丰富度和检测背后的模式和机制之外，这里提供的数据集还可用于研究物种的日常活动模式、活动水平和物种之间的时空相互作用。此外，数据可以与其他数据源结合使用，以实现综合人口建模的多种和不断扩展的用途。 R 脚本可用于查看数据集的摘要。我们希望该数据集将用于增进对哺乳动物组合的了解，并为保护大西洋森林提供基于证据的解决方案。数据不受版权限制；使用数据时请引用本文。