Core Viewpoint - The article highlights the use of environmental air DNA sampling technology to monitor the distribution and ecological status of the endangered crested ibis in the Weihe Wetland of Shaanxi, China [1] Group 1: Technology and Methodology - Monitoring personnel utilized an environmental air DNA sampler to capture air samples and extract crested ibis DNA, enabling precise monitoring of the species [1] - The research team developed a qPCR monitoring method specifically for crested ibis, which can accurately detect crested ibis DNA from mixed samples [1] Group 2: Implications and Future Applications - This technology provides significant support for the establishment of a genetic database for the crested ibis [1] - There is potential for this method to be applied to the monitoring of other rare species, indicating broader ecological monitoring applications [1]