File-eared Tree Frog

Polypedates otilophus

''Polypedates otilophus'' is a species of frog in the family Rhacophoridae. It is endemic to Borneo where it is widespread and found in Brunei, Indonesia, and Malaysia, typically in the lowlands but sometimes as high as 1,100 m above sea level. This species has prominent, sharp ridges behind the eye, above the ear, referred to in its names.
File-Eared Tree Frog/Borneo Eared Frog                                 File-eared Tree Frog,Frog,Malaysia,Polypedates otilophus,Sarawak,Tree Frog

Appearance

Males measure up to 80 mm and females up to 100 mm in snout–vent length. The body is robust and dorsally lemon yellow in color, with many thin, black stripes; also the thighs have many black bars. The tympanum is conspicuous, with a serrated bony crest above it . Fingertips are expanded into large discs; those on the toes are smaller. The fingers have only rudimentary webbing whereas the toes are moderately webbed.

The tadpoles are yellowish green above and white below, acquiring the stripes seen in adults well before metamorphosis. The largest tadpoles are 60 mm in total length.
File-Eared Tree Frog/Borneo Eared Frog Also known as the Borneo Eared Frog, this large tree frog inhabits lowland rainforest up to elevations of around 400 metres. It is most commonly found grouped around suitable breeding ponds, clinging to nearby vegetation a few metres from the ground. The species is easily identified by its large size and by the prominent ridges which lie above the eye and external ear-drum or tympanum. Another flap of skin extends horizontally beneath the tympanum. Its dorsal surface is pale yellow brown adorned with dark brown stripes. The flanks show similar colour and patterning but the dark stripes are more thin. On the inner thighs and legs there is strong black banding on a white background. Its eyes are large with a horizontal iris. Like other species of tree frog, their eggs are fertilized and develop in foam nests above suitable water bodies. The tadpoles will hatch and drop into the water below, or get washed down by heavy rain. Full-grown tadpoles may reach 6 cm in length.
 Borneo eared frog,File-Eared Tree Frog,Frog,Geotagged,Malaysia,Polypedates otilophus,Sarawak,Summer

Status

''Polypedates otilophus'' typically occurs in secondary habitats, at the edges of primary forest, and also in villages. They are most easily spotted at suitable breeding ponds where adults perch on vegetation 1–4 m above the ground. It is not considered a threatened species by the IUCN.

Habitat

''Polypedates otilophus'' typically occurs in secondary habitats, at the edges of primary forest, and also in villages. They are most easily spotted at suitable breeding ponds where adults perch on vegetation 1–4 m above the ground. It is not considered a threatened species by the IUCN.

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Status: Least concern
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassAmphibia
OrderAnura
FamilyRhacophoridae
GenusPolypedates
SpeciesP. otilophus
Photographed in
Malaysia