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reptiles
INDO-MALAYAN Tropical & Subtropical Moist Broadleaf Forest

The reptiles of the jungles of tropical Asia...

Order Squamata: Lizards and Snakes

Family Agamidae, Dragons

I didn't realise until I started sorting out and putting my photos on this webpage, how many species of agamids there are in Asian rainforest...

Calotes spp.

There are some 28 species in this genus. They are only found in tropical Asia.

(Angkor Wat, Cambodia)

Calotes versicolour, 'Oriental Garden Lizard', 'Changeable Lizard'. So called 'Changeable' as the colours can indeed change colour quickly! This was within a minute or two. A common lizard throughout south-east Asia.

(Kithugala, Sri Lanaka)

Calotes calotes, 'Common Green Forest Lizard'. Despite the unenthusiastic common names, this can be a stunningly coloured dragon.

(Pala-U waterfall, Thailand)

Calotes emma, 'Emma Gray's Forest/Crested Lizard'. Variable lizard, appearing in many colours and forms, but best distinguished by single separate spine above eye, and two smaller ones above typanum. Widespread across tropical Asian mainland from India to southern China and south to peninsula Malaysia.

(Horton Plains, Sri Lanka)

Calotes nigrilabris, 'Black-lipped Lizard'. Endemic to Sri Lanka, where it usually found at high altitude above 100o metres.

Ceratophora spp.

Found in Sri Lanka.

(Horton Plains, Sri Lanka)

Ceratophora stoddartii, 'Rhino Horned Lizard'.  Endemic to Sri Lanka, where it usually found on moss-laden branches of shrubs in high altitude cloud forest.

Bronchocela spp.

(Khao Sok National Park, Thailand)

Bronchocela cristatella, 'Green Crested Lizard'. 

Acanthosaura spp. 'Mountain Horned Dragons', 'Horned Tree Lizards', 'Pricklenape Agamids'

Distinctive feature are the spines that are found on the middle of the back of the neck. Found in forest south-east Asia. Popular in the pet trade.

(Khao Sok National Park, Thailand)

Acanthosaura 'Mountain Horned Lizard'.

Draco spp.'Gliding Lizards'

These amazing lizards are common, but often difficult to see at first. They are usually noticed clinging upright on tree trunks. The males will often display a bright flap of skin from their neck, the gular flag. They get their common name from the fact that they can glide long distances using their wing-like, patagia; stretched skin supported by elongated thoracic ribs.

(Jahoo Camp, Cambodia)

possibly Draco indochinensis 'Indo-Chinese Flying Lizard'.

Family Gekkonidae, Geckos

(Baan Maka, Thailand)

Geckos in Asia are mostly nocturnal. They are one of the few reptiles that make sounds that we humans can hear. The region includes two notable species; the 'original' Tokay Gecko for which the sound is named (pictured above), and the 'South-east Asian House Gecko' that has spread around many homes around the tropical world.

(Nuts Huts, Philippines)

Gekko gecko, 'Tokay Gecko'.. This is the 'orginal gecko'. The name 'gecko', 'tokay' and all the other similar common names throughout Asia come from the loud call of this species. It is a large lizard, up to 30 cm long. It often has bright orange spots. This species is mostly found on trees in tropical rainforest across tropical Asia and into some Pacific islands, but also around human habitation within that range.

(Subic Bay, Philippines)

Tokay Gecko and young.

Family Scincidae

(Sepilok, Malaysian Borneo)

Dasia vittata, 'Borneo Striped Skink'. Endemic to the forests of Borneo.

(Kithugala, Sri Lanka)
(Pala-U Waterfall, Thailand)
(Nuts Huts, Bohol, Philippines)

Lamprolepis smaragdina philippinica, 'Philippine Green Spotted Skink (Philippine variation of 'Emerald Green Tree Skink').

Family Varanidae: Monitors

(Singapore)

Varanus salvator, 'Asian Water Monitor'. The most common and the largest monitor lizard in tropical Asia.

(Khao Yai, Thailand)

As with other monitors that have evolved to swim regularly in water, it's tail is laterally compressed, like a paddle. The Asian water monitor is found in a variety of habitats, including urban gardens and canals. It is distributed from India, across all over south-east Asia, north to southern China, and down to Sulawesi. 

Sub-order Serpentes: Snakes

Family Viperidae

(Jahoo Camp, Cambodia)

Calloselasma rhodostoma, 'Malayan Pit Viper'. A small specimen with lighter for scale.

Family Colubridae

(Sinharaja, Sri Lanka)

Probably Oligodon sp. 'Kukri Snake'.

Order Crocodilia

Family Gavialidae

, (Sekonyer River, Kalimantan, Indonesia)

Tomistoma schlegelii, 'Malayan/False Gharial'. Very long snout, but not quite as uniformly slim as the gavial. The slim snout suggested fish was the main diet, but they have also been reported to eat other animals up to the size of Proboscis monkeys. They are generally considered harmless to humans, but locals claimed they have eaten people. Found in freshwater, especially peat swamps, in Malaysia and Indonesia.

For the page on the Asian tropical rainforest

Updates
My first trip after the virus is as Expedition leader in Tasmania with Coral Expeditions (March), followed by my role as biologist guest lecturer on the Great Barrier Reef (April) and Expedition Leader in the Kimberley (in May). If you can't go travelling until everything settles down, then until then, here I am doing online guided walks for Noble Caledonia and online lectures for Silversea.