About Furcifer rhinoceratus (Gray, 1845)
Taxonomic Naming
Scientific name: Furcifer rhinoceratus (Gray, 1845).
Male Size
Male rhinoceros chameleons reach around 27 centimetres (11 inches) in length, which is approximately twice the size of females.
Male Snout Morphology
Males have a proboscis-like snout that projects forward above the mouth; this feature gives the species its common name.
Female Snout Morphology
Females have a smaller snout.
Crest Structure
A small crest made of triangular, projecting scales sits on the top of the head, and an additional crest runs partway along the spine.
Base Body Colouration
The species' base body colour is typically grey or light brown, with a small number of darker transverse bars.
Distinct Markings
The snout is often bluish, the lips are pale, and a single white line runs down each side of the body.
Gravid Female Colouration
Females have a similar base colouration to males, but when carrying eggs, they turn purple with black bands and an orange or red tail.
Endemic Habitat Range
The rhinoceros chameleon is endemic to dry forests in western Madagascar.
Geographic Distribution Extent
Its geographic range stretches from Ankarafantsika National Park in the northwest to Soalala in the southwest.
Central Range Presence Uncertainty
However, most sightings of this species in the central part of its range were recorded a long time ago, and it is not confirmed whether the species still occurs in these areas today.