Core Insights - A new species named Huaxi Necked Snake has been discovered in the Huaxi rain shadow region, with research published in the journal "Animal Systematics and Evolution" [1] Group 1: Discovery and Research - The research team from the Chinese Academy of Sciences Chengdu Institute of Biology and Qinghai University identified the new species between 2020 and 2025 in the Sichuan Giant Panda National Park and Emei Mountain at altitudes of 700 to 1900 meters [1] - The Huaxi Necked Snake, measuring approximately 80 centimeters in length, has been confirmed as an independent species after comparison with related specimens and genetic sequences from the Fujian Necked Snake in Wuyi Mountain National Park [1] Group 2: Characteristics and Habitat - The Huaxi Necked Snake is characterized by its diurnal behavior, being a small non-venomous snake that primarily feeds on earthworms and slugs [1] - It features a distinctive inverted "V" pattern on its neck and an olive-colored back [1] Group 3: Ecological Significance - The Huaxi rain shadow region, with an average annual rainfall of 2000 millimeters, is one of the most biodiverse areas in China, serving as an ecological barrier on the eastern slope of the Hengduan Mountains [1] - The discovery of the Huaxi Necked Snake underscores the scientific value of the Huaxi rain shadow as a hotspot for biological evolution and highlights the importance of the Sichuan Giant Panda National Park in biodiversity conservation [1]