Frogs of Borneo - Ranau

Ansonia spinulifer

male 30-40 mm, female 40-45 mm

Comparatively slender; snout projecting slightly beyond the mouth; rounded finger- and toe-tips; toes have almost zero webbing; back and hind legs covered in large, spiny warts

Alculas baluensis

male 20-25 mm, female 24-30 mm

Very small; stocky; wide head with rounded snout; widened toe tips and half-webbed toes

Metaphrynella sundana

Tree Hole Frog

male 19-26 mm, female 23-29 mm

Tiny, stocky frog; pointed snout; tympanum is hidden by curved fold extending from the eye in front of the foreleg; toes are half-webbed; fingers are yellow

Meristogenys whiteheadi

male 50-64 mm, female 75-91

All toes except fourth fully webbed; back and top of head dark brown; usually a dark streak on the side of the head from the eye to the nostril; sides are lighter than the back and usually spotted with dark brown; upper half of eye bright yellowish green

Pulchrana picturata

male 37-49 mm, female 49-64 mm

Triangular head (about same width as body); visible eardrum; slightly swollen digits; toes are slightly more than half webbed; upper body dark brown to black with lighter blotches or spots

Staurois tuberilinguis

male 27-31 mm, female 33-38 mm

Skin of back is finely pebbled with many round or oval, unequal-sized swellings; some swellings may form an interrupted ridge from the eye to the base of the thigh

Rhacophorus gauni

male 22-29 mm, female 29-40 mm

Slender-bodied tree frog with a very short snout and prominent, bulging eyes; all toes except the fourth webbed to base of pads; outer fingers almost full webbed; usually a small, sharply pointed vertical projection near the edge of the upper eyelid; also a small pointed projection at the heel, and three or four others between the heel and the base of the outer toe; back is tan with several large dark spots; conspicuous white spot below the eye; hidden surfaces of thighs are golden yellow

Polypedates leucomystax

male 37-50 mm, female 57-75 mm

Slender body with long, slender hind limbs; sharp sides of snout but blunt tip; skin is smooth except for a curved fold over the eardrum; individuals can have four narrow dark stripes running down the back, while others have scattered brown spots

[not actually in Ranau]

Polypedates macrotis

male 45-57 mm, female 66-85

Triangular head with large eyes; often a narrow, whitish ridge of skin along the outer edge of the forearm; tan to brown on the head, back, and legs; some individuals have a pair of broad black stripes down the back; a distinct dark brown band extends from the eye, over the eardrum, and along the side of the body, becoming narrower as it continues towards the rear of the body