Duttaphrynus microtympanum is a species of toad

Toad

A toad is any of a number of species of amphibians in the order Anura characterized by dry, leathery skin , short legs, and snoat-like parotoid glands...

 found in the Western Ghats

Western Ghats

The Western Ghats, Western Ghauts or the Sahyādri is a mountain range along the western side of India. It runs north to south along the western edge of the Deccan Plateau, and separates the plateau from a narrow coastal plain along the Arabian Sea. The Western Ghats block rainfall to the Deccan...

 of India.

Description

Head with prominent bony ridges, viz. a canthal, a pre-orbital, a supraorbital, a postorbital, and a short orbito-tympanic; snout short, blunt; interorbital space broader than the upper eyelid; tympanum very small, not half the diameter of eye, generally indistinct. First finger extending beyond second; toes about half webbed, with single subarticular tubercles; two moderate metatarsal tubercles ; no tarsal fold. The tarsometatarsal articulation reaches the eye, or between the eye and the tip of the snout. Upper surfaces with irregular, distinctly porous warts; parotoids prominent, elliptical, twice or twice and a half as long as broad. Brown above; yellow beneath, marbled with brown. Male with a subgular vocal sac

Vocal sac

The vocal sac is the flexible membrane of skin possessed by most male frogs. The purpose of the vocal sac is usually as an amplification of their mating or advertisement call...

.

From snout to vent 3 inches.