Myotis altarium Thomas

Of medium build. Forearm length 39-45mm. The total length of the skull is about 16mm. The ear shell is long and narrow, and the front fold exceeds the rostral end by about 7mm, and the tip of the tragus is long by about 10mm. Metacarpal bones 3-5 are nearly equal in length. The body hair is long and soft, the back hair is brown, and the belly hair is similar in color. The snout of the skull is short and the nasofrontal part is slightly concave, and the sagittal and herringbone ridges are underdeveloped.

The origin of the model was Emei Mountain, Sichuan Province, China. It is widely distributed in three provinces in southwest China, from Jiangsu and Zhejiang to Guangxi, Jiangxi and Guangdong. It is distributed abroad in Thailand.

Southwest Myotis bats live in caves or artificial caves at altitudes of less than 1000m, and have been found lying in small rock depressions. It has hibernation habits. They feed on insects.

Southwest Mouse-eared bat, also known as Emei Mouse-eared Bat or Sichuan Mouse-eared bat, is an animal of the genus Mouse-eared bat of the bat family, and is a unique species in China. It is distributed in Jiangxi, Guizhou, Anhui, Sichuan and other places, and mainly inhabits caves, and mostly cohabitates with Rhinolophus rhinolophus. The tunnel was dark and damp. Eating insects is good.

     The Guangdong specimen was slighter in color than the Emei specimen. The body plush is thin and long, the back is brown, the hair base color is dark and dark, black brown; The color of abdominal hair is obviously lighter than that of back hair, which is grayish brown. The color of the chest hair is slightly lighter than that of the abdominal hair, which is grayish brown.

     Has been included in the China Biodiversity Red List - Vertebrate volume, assessment level: near threatened NT.