Pulling out heavy coats, sealing masonry and hard surfaces, checking home’s heating system - such activities abound as humans prepare for the deepening winter. Other animals also use a wide variety of techniques to prepare for the main challenge that winter brings them: a drop in temperature.

Photo taken on Dec. 6, 2021 shows pandas enjoying winter sunshine in Beijing Zoo. (He Luqi/Guangming Picture)

Macaques were seen bathed in the warm sunshine in Guanshan National Nature Reserve in Yifeng County, east China’s Jiangxi Province. (He Jianlai/Guangming Picture)

Photo taken on Nov. 28, 2021 shows swans playing and foraging on the lake in northwest China’s Xinjiang, demonstrating strong vigor and vitality despite the cold air. (Nian Lei/Guangming Picture)

Photo taken on Nov. 28, 2021 shows the wetland inhabited by black-necked cranes in Zhaotong City, southwest China’s Yunnan Province. (Zhang Guangyu/Guangming Picture)

Photo taken on Nov. 30, 2021 shows zoo enclosures equipped with heating devices to create a mild temperature for animals in a Wildlife Park of Changzhou City, southeast China’s Jiangsu Province. (Xia Chenxi/Guangming Picture)

来源：GMW.cn