Abstract: The waterfowls in the Maipo wetland and seven climatic factors closely related to the waterfowls in January, 1980-2013 were selected to discuss the response relationship between the waterfowl and the climatic factor through the grey correlation analysis method. The results showed that:on the whole, the waterfowls were highly correlated with climatic factors. Among them, the resident birds had stronger adaptability to the area compared with the migratory birds. As time went on, the adaptability of the waterfowls to the natural climatic factors was weakened year by year, and the influence of human factors on the number and species of waterfowls was becoming dominant. In addition, from the degree of the correlation between different species of waterfowls and climatic factors, there was a difference between the adaptabilities of different species of waterfowls to the climate. The waterfowl's own living habits determined that the different species of waterfowls had certain adaptability to the climate and had a certain ability to deal with the climate.