Murina gracilis, Kuo Haochih, 2009

Don E. Wilson & Russell A. Mittermeier, 2019, Vespertilionidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 716-981 : 920

365.

Gracile Tube-nosed Bat

Murina gracilis

French: Murine gracile / German: Zierliche Rohrennase / Spanish: Ratonero narizudo gracil

Other common names: Delicate Tube-nosed Bat, Slender Tube-nosed Bat, Taiwanese Little Tube-nosed Bat

Taxonomy. Murina gracilis Kuo Haochih et al., 2009 ,

“ Taiwan, Ilan County, Datung Township, Yuanyang Lake Nature Reserve, 1.670 m.”

See M. eleryi . Monotypic.

Distribution. Taiwan I.

Descriptive notes. Forearm 28-5- 31- 7 mm. Fur long and silky. Dorsal pelage is dark brown, mottled with yellowish brown (hairs with black bases, yellowish brown middles, and black tips) and intermixed with shiny golden guard hairs; venter is grayish brown to grayish white (hairs with black bases and grayish brown to grayish whitetips). Dorsal pelage extends sparsely onto wings, uropatagium, thumbs, and feet. Face is sparsely haired except for long protuberant naked nostrils. Ears are short, broad, and rounded, with smoothly convex anterior margins, small notch on posterior margins, and broadly rounded tips; tragus is long and narrow and tapers toward pointed tip. Wing attaches near base of claw on first toe. Skull has domed braincase; sagittal crest is absent, and lambdoidal crest is very weak; 12 is anterior to I%; C! is shorter and narrower than P*; P? is less than one-half the basal area of P*; and M' and M* have well-developed mesostyles.

Habitat. Broadleaf and mixed forests and natural or propagated conifers predominantly at elevations of 1400-2700 m.

Food and Feeding. No information.

Breeding. Gracile Tube-nosed Bats reportedly give birth to two young in May; lactating females have been collected from mid-May to mid-July.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Least Concern on The IUCN Red List. The Gracile Tube-nosed Bat does not seem to face any major threats.

Bibliography. Cheng Hsichi et al. (2017), Csorba etal. (2011), Kuo Haochih, Chen Shiangfan et al. (2014), Kuo Haochih, Fang Yinping et ai. (2009), Lee Lingling & Kuo Haochih (2017b), Nguyen Truong Son et al. (2015), Soisook, Thaw Win-Naingng et al. (2017).

Figures

348. Annam Tube-nosed Bat (Murina annamitica), 349. Walston’s Tube-nosed Bat (Murina walstoni), 350. Brown Tube-nosed Bat (Murina suilla), 351. Flores Tube-nosed Bat (Murina florium), 352. Bronze Tube-nosed Bat (Munrina aenea), 353. Scully’s Tube-nosed Bat (Murina tubinaris), 354. Fiona’s Tube-nosed Bat (Murina fionae), 355. Guillen’s Tube-nosed Bat (Murina guilleni), 356. Round-eared Tube-nosed Bat (Murina cyclotis), 357. Peninsular Tube-nosed Bat (Murina perunsulars), 358. Libo Tube-nosed Bat (Murina liboensis), 359. Kon Tum Tube-nosed Bat (Murina kontumensis), 360. Hkakabo Razi Tube-nosed Bat (Murina hkakaboraziensis), 361. Gilded Tube-nosed Bat (Murina rozendaali), 362. Elery’s Tube-nosed Bat (Murina eleryi), 363. Bala Tube-nosed Bat (Murina balaensis), 364. Hidden Tube-nosed Bat (Murina recondita), 365. Gracile Tube-nosed Bat (Murina gracilis)

Distribution. Taiwan I.