Nature Blogger logoNature Blogger

Roux forest lizard (Monilesaurus rouxii)

The Roux forest lizard (Monilesaurus rouxii), also known as Roux's forest calotes or the forest blood sucker, is an arboreal lizard found in the hills of peninsular India. It is characterized by its olive-brown coloration, slender limbs, and in males, a brick-red head and gular pouch during the breeding season. This diurnal insectivore inhabits various forest types from moist evergreen to secondary deciduous forests.

Key Facts

  • Endemic to the hills of peninsular India, including the Western and Eastern Ghats.
  • Can reach a total length of up to 30 cm, with 25 cm being more common.
  • Males develop a brick-red coloration on the head and gular pouch during the breeding season.
  • Primarily an insectivore, hunting during the day both on the ground and in trees.
  • Reproduces by laying eggs (oviparous) between April and September.
Roux forest lizard (Monilesaurus rouxii)
Scientific Name
Monilesaurus rouxii
Family
Agamidae
Common Names

Roux's Forest Lizard, Roux's Forest Calotes, Forest Blood Sucker

Geographic Distribution

Peninsular India, Western Ghats, Eastern Ghats, Deccan Plateau

Habitat Type

Moist Evergreen Forests, Secondary Deciduous Forests, Hill Forest Tracts

Physical Description
  • Total Length Up To 30 cm , Commonly 25 cm .
  • Olive-Brown Body Color With A Lighter Belly.
  • Dark Band Along the Side of the Head Extending To the Neck.
  • Dark Lines Radiating From the Eye.
  • Slender Limbs With Elongated Toes.
  • Two Small Groups of Spines On Each Side of the Neck.
  • Males Develop A Brick-Red Coloration On the Upper Head, Nape, and Gular Pouch During the Breeding Season.
Diet

Insects

Lifespan Years
Not specified
Behavioral Traits

Arboreal, Diurnal, Hunts On the Ground and In Trees

Diet Category

About Roux forest lizard (Monilesaurus rouxii)

The Roux forest lizard, scientifically known as Monilesaurus rouxii and sometimes referred to as Roux's forest calotes or the forest blood sucker, is a species of lizard native to the hills of peninsular India. This arboreal and diurnal species is a member of the Agamidae family and is characterized by its distinctive olive-brown coloration, slender limbs, and elongated toes.

Description and Distribution

Roux's forest lizard typically reaches a total length of up to 30 cm, with 25 cm being a more common size. Its body is a muted olive-brown, contrasted by a lighter belly. A notable feature is a dark band that extends along the side of its head and onto its neck, accompanied by dark lines radiating from the eyes. Two small clusters of spines are present on each side of its neck. During the breeding season, males undergo a striking transformation, with the upper part of their head, nape, and gular pouch turning a vibrant brick-red.

The species is endemic to the hilly regions of peninsular India. Its range includes the Western Ghats, stretching from Surat Dangs to Palghat, and extends to parts of the Eastern Ghats, encompassing areas like the Shevaroys, Yelagiri, Melagiri, Malkangiri, Araku, and Devarakonda. It is also found in the hills of the Deccan plateau, including Bellary and Sandur. The Roux forest lizard is generally widespread and common throughout these territories, preferring wet hill forest tracts and inhabiting elevations from 100 to 900 meters above sea level.

Ecology and Behavior

As an insectivore, the Roux forest lizard actively hunts during daylight hours. It is adept at foraging both on the ground and within the branches of trees. This species is oviparous, reproducing by laying eggs, with the breeding season typically occurring between April and September. Its habitat preference spans from moist evergreen forests to secondary deciduous forests, indicating adaptability to various woodland environments within its geographical range.

Source: Wikipedia ↗

Frequently Asked Questions

What are the common names for Monilesaurus rouxii?

Monilesaurus rouxii is commonly known as Roux's forest lizard, Roux's forest calotes, or the forest blood sucker. These names reflect its appearance and habitat.

Where is the Roux forest lizard found?

This species is endemic to the hills of peninsular India. Its distribution includes the Western Ghats from Surat Dangs to Palghat, parts of the Eastern Ghats, and the hills of the Deccan plateau.

What is the typical size of a Roux forest lizard?

Roux's forest lizard can grow to a total length of up to 30 cm (12 inches), though a length of 25 cm (9.8 inches) is more frequently observed.

What does the Roux forest lizard eat and when is it active?

It is an insectivore and hunts during the day. Its diet consists of insects, and it can be found foraging both on the ground and in trees.

When does the Roux forest lizard breed?

The Roux forest lizard is oviparous, meaning it reproduces by laying eggs. Breeding typically occurs between April and September.

What are the distinguishing physical features of the Roux forest lizard?

It has an olive-brown body with a lighter belly and dark markings on its head and neck. Males exhibit a striking brick-red coloration on their head, nape, and gular pouch during the breeding season.