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Last updated on April 24, 2014 at 1:21 EDT

Reptiles

The Common Garter Snake (Thamnophis sirtalis) is common to North America. T.s. parietalis has also been introduced to northern Holland in Sweden, where it thrives. The habitat of these snakes can range from forests, fields and prairies to streams, wetl...

The coral snakes (Micrurus and Micruroides) are two genera of about 65 snake species, found in tropical South America and southern USA. They are venomous and related to Old World cobras. Most notable are their red, yellow and black colored bands. Th...

The Corn Snakes (Elaphe guttata) are a species of Rat Snake "“ they are known for being somewhat smaller than other Rat Snake species. Their average length is about 4 feet long. They are found throughout south-eastern and central North America as wel...

The Cottonmouth, or water moccasin (Agkistrodon piscivorous), is a venomous snake which is closely related to the copperhead. It is a pit viper, with a heat-sensing organ in its nose that allows it to locate warm blooded prey. The cottonmouth is a very...

The Desert Night Lizard is a night lizard native to southern California. Like all night lizards, the desert night lizard is viviparous, giving birth to live young.

Dull day gecko (Phelsuma dubia (BOETTGER 1881)) is a diurnal species of geckos. It is about 15 cm in length and lives on the western coast of Madagascar, in the Comoros, and the coast of East Africa. It typically inhabits trees and can also be found ne...

The so-called water dragons are large diurnal arboreal agamid lizards in the genus Physignathus, which includes Physignathus cocincinus, the Green or Chinese Water Dragon, and Physignathus lesueurii, the Australian Water Dragon. They are sometimes kept...

Cobras are venomous snakes of family Elapidae, and part of several genera. They generally inhabit tropical and desert regions of Asia and Africa. These snakes kill their prey, usually small rodents and birds, by injecting a neurotoxin through their hol...

The Erhard's wall lizard (Podarcis erhardii) lives in the Balkan Peninsula as well as the Aegean islands. In the mainland it ranges from Albania, the Republic of Macedonia and southern Bulgaria to the northeastern part of the Peloponnese peninsula in G...

The Five-lined Skink (Eumeces fasciatus) is one of the most common lizards in the eastern U.S. as well as one of the five species of lizards in Canada. Other common names given this lizard include blue-tailed skink and red-headed skink. Description ...

The Flat-tailed day gecko (Phelsuma serraticauda) is a diurnal gecko that is found in eastern Madagascar. It typically inhabits rainforests and dwells on trees and feeds on insects and nectar. Description The male lizard can reach an average tota...

Geckos are small to moderately large lizards belonging to the family Gekkonidae. These lizards are found in warm climates throughout the world. Geckos are unique among lizards in their vocalizations, making chirping sounds in social interactions with o...

The Gila monster (Heloderma suspectum) is one of the two known species of venomous lizards. This lizard lives in the deserts of the southwestern USA and northwestern Mexico. It is a heavy, slow moving lizard and can measure up to 2 feet (60 cm) in leng...

Gilbert's Skink (Eumeces gilberti) is a heavy-bodied medium-sized lizard found in the south-western United States. It grows to about 2.75 to 4.75 inches (7 to 12 cm) total length. Taxonomy Eumeces gilberti was first described by Van Denburgh in 1...

The Grass Snake (Natrix natrix), sometimes called the Ringed Snake or Water Snake, is a European non-venomous snake. The Grass Snake is typically dark green or brown in color with a characteristic yellow collar behind the head, which explains the al...

The Great Plains Skink (Eumeces obsoletus) is - together with the Broad-headed Skink - the largest skink of the genus Eumeces. It reaches a length of 3.5 to 5 inches (9 to 13 cm) from snout to vent or up to nearly 13.5 in (34 cm) total length (includin...

The green iguana (Iguana iguana) is a large, arboreal lizard from Central and South America. They are typically about 2 meters in length from head to tail and can weigh up to 5 kg. It is possible to determine the sex of a green iguana by examining the ...

Gold dust day gecko (Phelsuma laticauda laticauda) is a diurnal subspecies of geckos. It lives in northern Madagascar and on the Comoros. It typically inhabits trees and can sometimes be found in houses. The Gold dust day gecko feeds on insects and nec...

The Komodo Dragon (Varanus komodoensis) is the largest lizard in the world, growing to a length of about 10 feet (3 meters) and weighing between 175 to 310 lb (80 and 140 kg). It is a member of the monitor lizard family, Varanidae. Dragons have keen...

Australian lizards belonging to the Varanus genus (monitor lizards) are called Goannas. This name is thought to be derived from the word iguana, as early European settlers likened them to the South American lizards. There are around 20 species of goann...