Nyctimene keasti

Habitat. Primary tropical moist forests, dominated by Ficus (Moraceae), Erythrina (Fabaceae), Podocarpus (Podocarpaceae), and Albizia (Fabaceae), and vine forest from sea level up to elevations ¢. 1000 m.

Sumber: Pteropodidae

Movements, Home range and Social organization. No information.

Sumber: Pteropodidae

Status and Conservation. Classified as Vulnerable on The IUCN Red List. Keast’s Tubenosed Fruit Bat has a restricted distribution and is threatened by deforestation. Additional research is needed to validate its taxonomic status and to understand its ecology and threats.

Sumber: Pteropodidae

Descriptive notes. Head-body 69 - 3 - 89 - 3 mm, tail 18 - 25 - 4 mm, ear 14 - 2 - 16 - 9 mm, hindfoot 11: 3 - 13 - 9 mm, forearm 40 - 7 - 45 - 7 mm; weight 29 - 5 - 30 g. Females generally have considerably paler dorsum than males. Head of Keast’s Tube-nosed Fruit Bat is broad, with deep face, broad, bluntly pointed ears, and tubular divergent nostrils. Eyes are large, with amber irises. Pelage is thick and woolly. Dorsal pelage is yellowish brown (males) to buffy yellowish brown (females), with distinctive thin dark blackish brown gradually widening mid-dorsal stripe (0 - 5 - 1 - 5 mm thick at top and 2 - 5 - 3 - 5 mm at lower end) stretching from neck to rump. Ventral pelage is buffy yellowish or yellowish brown (in some males). Wings are dark brown, with irregular darker and yellow spots throughout (more yellow spotting is on digits). Ears are light yellowish brown, with some yellow spotting. Second digit of wing has a claw, and wing attaches at second digit of foot. Tail is short, black, and wrinkled, and narrow uropatagium connects at base and stretches to calcar at ankles. Claws are brown. Skull and mandible are robust; rostrum is short; zygomatic breadth is wide; sagittal and lambdoidal crests are moderately developed; posterior palate extends well beyond M' and margin varies from U-shaped to sharply rectangular; and condylo-basal length is generally shorter relative to both rostrum height, interorbital breadth, and cranial height compared with Pallas’s Tube-nosed Fruit Bat (N. cephalotes). Single lower incisor is completely deciduous, falling out before adulthood; lower molars are broad and rounded in dorsal view; C, replaces incisors and is long and powerful; P, is elongated and longer than P, and P,; and C' has moderately developed secondary labial cusp.