Petinomys hageni (Jentink, 1888)

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Sciuridae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 648-837 : 763

121.

Hagen’s Flying Squirrel

Petinomys hageni

French: Polatouche de Hagen / German: Hagen-Gleithornchen / Spanish: Ardilla voladora de Hagen

Taxonomy. Sciuropterus hageni Jentink, 1888 ,

“Deli [north-eastern Sumatra, Indonesia].”

This species is monotypic.

Distribution. N Sumatra and SW Borneo.

Descriptive notes. Head-body 230-280 mm, tail 230-250 mm; weight c.388 g. Hairs on dorsal surface of head and back of Hagen’s Flying Squirrel are slate-colored, with reddish brown tips. Band of blacktipped hairs runs from middle of nose, around eyes, to ears. There are stiff long hairs in front of and behind ears. Hairs on gliding membranes are black, with reddish

brown tips. Underparts are white, with reddish tint. Tail is thickly haired; upper parts of tail are brown.

Habitat. Primary forests.

Food and Feeding. There is no information available for this species.

Breeding. There is no information available for this species.

Activity patterns. Hagen’s Flying Squirrels are arboreal and nocturnal.

Movements, Home range and Social organization. There is no information available for this species.

Status and Conservation. Classified as Data Deficient on The IUCN Red List. Current population trend of Hagen’s Flying Squirrel is unknown. It is threatened by habitat loss through conversion to agriculture and logging. Restricted distribution of Hagen’s Flying Squirrel means that it is particularly sensitive to habitat loss and degradation. More surveys and basic research on its distribution, population status, and natural history are needed to better understand threats and useful conservation action.

Bibliography. Francis & Gumal (2008b), Jackson (2012), Jackson & Thorington (2012), Phillipps & Phillipps (2016), Thorington & Darrow (2000), Thorington, Koprowski et al. (2012), Thorington, Pitassy & Jansa (2002).

Figures

110. Kashmir Flying Squirrel (Eoglaucomys fimbriatus), 111. Northern Flying Squirrel (Glaucomys sabrinus), 112. Southern Flying Squirrel (Glaucomys volans), 113. Javanese Flying Squirrel (lomys horsfieldu), 114. Mentawai Flying Squirrel (lomys sipora), 115. Temminck’s Flying Squirrel (Petinomys setosus), 116. Travancore Flying Squirrel (Petinomys fuscocapillus), 117. Basilan Flying Squirrel (Petinomys crinitus), 118. Mindanao Flying Squirrel (Petinomys mindanensis), 119. Whiskered Flying Squirrel (Petinomys genibarbis), 120. Vordermann’s Flying Squirrel (Petinomys vordermanni), 121. Hagen’s Flying Squirrel (Petinomys hageni), 122. Siberut Flying Squirrel (Petinomys lugens), 123. Particolored Flying Squirrel (Hylopetes alboniger), 124. Indochinese Flying Squirrel (Hylopetes phayrei), 125. Red-cheeked Flying Squirrel (Hylopetes spadiceus), 126. Palawan Flying Squirrel (Hylopetes nigripes), 127. Jentink’s Flying Squirrel (Hylopetes platyurus), 128. Sumatran Flying Squirrel (Hylopetes winston), 129. Sipora Flying Squirrel (Hylopetes sipora), 130. Gray-cheeked Flying Squirrel (Hylopetes sagitta), 131. Bartels’s Flying Squirrel (Hylopetes bartelsi), 132. Selangor Pygmy Flying Squirrel (Petawurillus kinlochii), 133. Hose’s Pygmy Flying Squirrel (Petaurillus hosei), 134. Lesser Pygmy Flying Squirrel (Petaurillus emiliae)