Myotis altarium


Szechwan Myotis

Xinan Shu'erfu

Morphological description Life history Distribution Habitat Roost sites and roosting patterns Emergence and flight pattern Foraging behaviour Echolocation calls Status and protection

Myotis altarium


Morphological Description

· Fur dark brown, paler ventrally.

· A medium-sized Myotis with relatively large ears (22-24 mm). Forearm length is 42-46 mm (Smith & Xie 2008).

· Length of calcar more than half length of tibia. .

Life history

· Little known


The mainland Chinese distribution is shown by dots on the map (as given by Zhang et al. (1997)). Our new records for this species are shown in red. The species is also found in Thailand.



· Little known.

Roost sites and roosting behaviour

· Roosts in caves.

· Emergence and flight pattern

· Little known.

Foraging behaviour

· Not known, but large ears suggest that the species may be a gleaner.

Echolocation calls

· Unknown.

Status and protection

· There is no estimation of population size for China.

· The Szechwan myotis is listed as RL-NT in China, almost meeting criteria for VU A2ac + 3 ac (Smith & Xie 2008).

· Caves should be protected as their habitats.

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