Indosylvirana aurantiaca

Indosylvirana aurantiaca, the golden frog, also called the Trivandrum frog, common wood frog or small wood frog, is endemic to the Western Ghats, restricted to south of the Palakkad Gap in Thiruvananthapuram and Kollam districts in Kerala. It occurs at 200-1,400 m. Mature males grow to 32-55.7 mm and females are larger, to 62.6 mm (Wikipedia, general species account).

The body is slender, with a long, obtusely pointed snout. The nostrils open at the sides, about twice as far from the eyes as from the snout tip, and the lower rims of the eyes are reddish. The frog is orange to golden brown, young frogs are brighter, and the vocal sacs visibly inflate when they call (Wikipedia, general species account).