Pteropodidae
Author
Don E. Wilson
Author
Russell A. Mittermeier
text
2019
2019-10-31
Lynx Edicions
Barcelona
Handbook of the Mammals of the World – Volume 9 Bats
16
162
book chapter
88683
10.5281/zenodo.6448815
bbbf94d9-a910-4cda-97df-7eca124163ed
978-84-16728-19-0
6448815
166.
Vanuatu
Flying Fox
Pteropus anetianus
French:
Roussette du
Vanuatu
/
German:
Vanuatu-Flughund
/
Spanish:
Zorro volador de
Vanuatu
Other common names:
Solomons Flying Fox
,
White Flying Fox
Taxonomy.
Spectrum anetianum J. E. Gray, 1870
,
“
New Hebrides
: Aneiteum [= Aneityum Island,
Vanuatu
].”
Widely used subspecific name banksiana has been changed for gender agreement.
Pteropus anetianus
is in the
samoensis
species group. Well-differentiated subspecies warrant additional taxonomic assessment. Seven subspecies recognized.
Subspecies and Distribution.
P. a. anetianusJ. E. Gray, 1870
— S
Vanuatu
Is in Erromango and Aneityum (= Anatom).
P.a.aorensisLawrence,1945—CVanuatuIs(EspirituSantoandAore)P.a.bakeriThomas,1925—CVanuatuIs(Nguma,Emao,andEfate).
P.a.banksianusSanborn,1930—NVanuatuinBanksIs(Ureparara,VanuaLava,andGauaorSantaMaria).
P.a.eotinusK.Andersen,1913—CVanuatuIsinMaewo(=Aurora),Ambae(=Aoba),Pentecost,Malo,andMalekula(=Malakula)Is;populationsofAmbryn,Lopevi,andEpiIstentativelyassignedtothissubspecies.
P.a.motalavaeFelten&Kock,1972—NVanuatuIs(MotaLava).
P. a. pastoris Felten & Kock, 1972
— C VanuatuIs (Tongoa, Emae, and Shepperd Is group).
Descriptive notes.
Head—-body
155-205 mm
(tailless), ear
20-26 mm
, hindfoot
30- 35 mm
, forearm
117-135 mm
; weight
346 g
(mean). The
Vanuatu
Flying Fox is reddish brown and highly variable. Muzzle is short, rhinarium is black, and eyes have chestnutbrown irises. Ears are narrowly rounded, and one-half concealed by long fur. Pelage overall is long and woolly. Face and head are dark brown, tipped with paler brown, often with whitish hairs in mustache and between eyes that can extend in some individuals to forehead and cheeks as an ample creamy white mask. Mantle is reddish brown, and margins and shoulders are paler yellowish. Back is reddish brown, and hairs are not adpressed, becoming yellowish brown toward rump. Fur extends along humerus and forearm, and tibia is furred to ankle. Chest and belly are dark brown, grading to reddish brown toward wing membranes. Uropatagium is concealed by long fur at its center. Wing membranes are black and originate from sides of body. Skull is typical pteropine, with moderate basicranial deflection. Laterally, rostrum is short, thin, and tapering; premaxillae are slender; forehead slopes; orbits are large; zygomatic rootis above upper alveolar line; zygoma is arched; braincase is domed; and occiputis salient. Dorsally, rostrum is moderately wide; interorbital width is very narrow; postorbital foramina are tiny; base of long and projecting postorbital processesis very wide; temporal lines join immediately anterior to well-marked postorbital constriction into sharp sagittal crest; braincase is oval; and nuchal crest is very obvious. Ventrally, palate is flat, with posteriorly diverging tooth rows; post-dental palate is long and narrow ending concave; zygomatic arches are wide; and ear region is relatively small, with ring-like ectotympanic. Mandible has sloping symphysis and stout body; coronoid is large and almost vertical; condyle is well above lower alveolar line; and angle is well marked. Upper incisors are long, with strong, broad posterior basal ledge; C' is relatively small, slender, and grooved anteriorly, with strong cingulum; P' is comparatively rather bulky; next premolars are relatively tall, with strong posterior ledge; occlusal outline is oval; M' is rectangular in occlusal outline and long; and last molaris small, with labial cusp. I, is spatulated and much larger than minute I; C, is slender, almoststraight with marked cingulum; P is bulky; cheekteeth are tall, short, and slanted anteriorly, with strong posterior ledge extending anteriorly on lingual side of teeth as broad shelf; M, is smaller than last premolar; and last molar is peg-like, often missing on one or both sides in adults.
Habitat.
Vanuatu
rainforests.
Food and Feeding.
Residents of Mota and Vanua Lava islands indicated
Vanuatu
Flying Foxes prefer young coconuts and
Pandanus (Pandanaceae)
fruits. Fruits of
Syzygium (Myrtaceae)
and
Artocarpus
altilis (
Moraceae
) and flowers of
Barringtonia edulis (Lecythidaceae)
also contribute to diets.
Breeding.
Male
testes size peaks in October—January, and births likely peak in August— September.
Activity patterns.
The
Vanuatu
Flying Fox is somewhat active diurnally and at dusk, presumably to avoid competition with larger Pacific Flying Fox (
P. tonganus
).
Movements, Home range and Social organization.
The
Vanuatu
Flying Fox roosts in small, quiet colonies and occasionally in larger colonies of Pacific Flying Foxes.
Status and Conservation.
CITES Appendix II. Classified as Vulnerable on The [UCN Red Last. Distribution of the
Vanuatu
Flying Fox is severely fragmented, and number of locations where it occurs and number of mature individuals are likely declining. High rates of hunting following disturbance by cyclones are threats. It occurs in Vatthe Conservation Area.
Bibliography.
Almeida et al. (2014), Andersen (1912b), Baker & Baker (1936), Flannery (1995a), Helgen & Hamilton (2008a),
Medway
& Marshall (1975).