352.

Bronze Tube-nosed Bat

Murina aenea

French: Murine bronzée / German: Bronzefarbige Rohrennase / Spanish: Ratonero narizudo laton

Taxonomy. Murina aenea Hill, 1964,

Ulu Chemperoh (c. 03°18'N, 101°50'E), near Janda Baik, Bentong District, Pahang, Malaysia.

See M. florium . Monotypic.

Distribution. Malay Peninsula and N Borneo.

Descriptive notes. Head-body 42-251- 9 mm, tail 31-641 mm, ear 12-715- 5 mm, hindfoot 6-8-9- 3 mm, forearm 34- 7-38 mm; weight 6-8- 5 g. Fur long and silky. Dorsal pelage dark brown, overlaid with shiny fiery bronze (hairs with dark brown bases and shiny golden orange tips); venter is paler yellowish brown (hairs with dark gray bases and yellowish brown tips). 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, no notch on posterior margins, and broadly rounded tips; tragusis long and narrow and tapers toward pointed tip. Wing attaches near base of claw on first toe. Skull has inflated rostrum and domed braincase; sagittal crest is well developed; I” is lateral to I3; C! is taller than P%; P? is one-half the height of P*; M' and M? lack mesostyles, and labial surfaces have V-shaped indentation; and talonids of M and M, are one-half the size of respective trigonids.

Habitat. Lowland dipterocarp forests, hill moss forests, pristine evergreen rainforests, and lowland evergreen forests from sea level up to elevations of ¢. 1200 m.

Food and Feeding. No information.

Breeding. A pregnant Bronze Tube-nosed Bat was collected in June and a lactating female in March in Peninsular Malaysia.

Activity patterns. Calls are steep FM sweeps, with start frequencies of 136-148 kHz, end frequencies of 35-446 kHz, peak frequencies of 72-88-1 kHz, and durations of 1-9-2-9 milliseconds in Thailand (based on one male and one female).

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Vulnerable on The IUCN Red List. The Bronze Tube-nosed Bat is known from very few records and does not appear to be very common. It has been collected in a few protected areas, including Krau Wildlife Reserve in Peninsular Malaysia and Hala-Bala and Ton Nga-Chang wildlife sanctuaries in Thailand.

Bibliography. Bumrungsri et al. (2006), Hutson, Kingston, Francis, Csorba & Bumrungsri (2008), Kingston, Francis et al. (2003), Nguyen Truong Son et al. (2015), Payne et al. (1985), Phillipps & Phillipps (2016), Sly (1975), Soisook (2013), Soisook, Thaw Win-Naingng et al. (2017).