Ameiva ameiva
The Ameiva ameiva, commonly known as the giant ameiva or South American ground lizard, is a widespread lizard species found across Central and South America, as well as some Caribbean islands. It is characterized by a streamlined body, vibrant green coloration in males, and a varied diet that includes insects, small vertebrates, and plant matter. These lizards typically inhabit forest floors, seeking shelter under logs and in leaf litter.
Key Facts
- ›Native to Central America, South America, and Caribbean Islands.
- ›Males display striking green coloration, while females are typically a dustier green.
- ›Diet includes insects, frogs, other lizards, spiders, snails, and plant material.
- ›Females lay multiple clutches of eggs between March and December.
- ›Preyed upon by juvenile and subadult Amazon tree boas.
- ›Introduced populations exist in south Florida, USA.
Giant Ameiva, Green Ameiva, South American Ground Lizard, Amazon Racerunner
Panama, Brazil, Colombia, Surinam, French Guiana, Guyana, Venezuela, Bolivia, Ecuador, Peru, Argentina, Paraguay, Trinidad and Tobago, Grenada, the Grenadines, Barbados, Dominica, St Kitts and Nevis, Margarita, Swan Island, Isla De La Providencia, United States
- Streamlined Body
- Pointed Head
- Slightly Forked Tongue
- Muscular Hind Legs
- Grows To Approximately 45–50 cm
- Random Black Specks and Mottling Along the Sides In Both Sexes
- Females: Less Green, More Dusty Green Coloration
- Males: Vibrant Green Coloration, More Bold Mottling, Expanded Jowls
Insects, Frogs, Other Lizards, Amphisbaenians, Spiders, Snails, Plant Matter
- Shelters Underneath Logs and In Leaf Litter
- Can Make Tunnels When Provided With Enough Soil
Juvenile Amazon Tree Boas, Subadult Amazon Tree Boas
About Ameiva ameiva
The Ameiva ameiva, commonly referred to as the giant ameiva, green ameiva, South American ground lizard, or Amazon racerunner, is a striking lizard species native to a wide range of habitats across Central America, South America, and several Caribbean islands. Its scientific classification places it within the Teiidae family.
Description and Habitat
Physically, the Ameiva ameiva possesses a streamlined body, a pointed head, and muscular hind legs, typically reaching lengths of 45–50 cm (18–20 inches). Both sexes exhibit speckling and mottling on their sides, though males are distinguished by their vibrant green coloration and more pronounced jowls, making them particularly popular as pets. Females generally display a less intense, dustier green hue. These lizards are primarily terrestrial, inhabiting the forest floor where they seek refuge under logs and within leaf litter. Captive specimens have demonstrated an ability to excavate tunnels when provided with adequate soil depth.
Diet and Reproduction
The diet of the Ameiva ameiva is diverse, encompassing a variety of food sources. It predominantly feeds on insects, including grasshoppers, beetles, and termites, but also consumes small vertebrates such as frogs and other lizards, as well as spiders, snails, and plant matter. Females lay multiple clutches of eggs annually, with egg-laying occurring between March and December.
Distribution and Ecological Role
This species is widespread, found in countries including Panama, Brazil, Colombia, Venezuela, and Peru, as well as on islands like Trinidad and Tobago, Grenada, and Dominica. It has also been introduced to the United States, with established populations in south Florida. In its natural environment, the Ameiva ameiva serves as prey for predators such as juvenile and subadult Amazon tree boas, playing a role in the regional food web. The species is known to host various protist parasites.
Source: Wikipedia ↗
Frequently Asked Questions
What are the common names for Ameiva ameiva?
Ameiva ameiva is also known by several common names, including the giant ameiva, green ameiva, South American ground lizard, and Amazon racerunner. These names reflect its size, coloration, and geographic origins.
Where is Ameiva ameiva found geographically?
This species has a broad distribution across Central America and South America, including countries like Panama, Brazil, Colombia, and Peru. It is also found on numerous Caribbean islands such as Trinidad and Tobago, Grenada, and Dominica.
What is the typical habitat of the Ameiva ameiva?
Ameiva ameiva primarily lives on the forest floor. They are often found sheltering under logs and within leaf litter, and captive individuals have been observed creating burrows in sufficient soil.
What does Ameiva ameiva eat?
The diet of Ameiva ameiva is quite varied, consisting mainly of insects like grasshoppers and beetles. They also consume small vertebrates such as frogs and other lizards, as well as spiders, snails, and plant matter.
How large do Ameiva ameiva get?
Ameiva ameiva typically grow to approximately 45–50 cm (18–20 inches) in length. Both males and females have speckling and mottling on their sides, but males are distinguished by their more vibrant green coloration and bolder patterns.
When do female Ameiva ameiva lay eggs?
Female Ameiva ameiva are known to lay several clutches of eggs throughout the year, with the reproductive period extending from March to December.
Are there any known predators of Ameiva ameiva?
Yes, juvenile and subadult Amazon tree boas are known predators of the giant ameiva. This indicates their place within the food web of their native environments.
Related Lizards
Reef gecko
The Reef gecko, scientifically known as Sphaerodactylus notatus, is a small lizard found in Florida and the Caribbean. Characterized by its small size and speckled brown coloration, it inhabits damp forests, shrubs, and bushes, often relying on plants like seagrape for survival. Its presence in Florida is debated, with theories suggesting both natural introduction via rafting and accidental introduction through trade.
Chinese short-limbed skink
The Chinese short-limbed skink is a terrestrial lizard found in China and Vietnam, inhabiting secondary and mixed forests. It is characterized by its elongated body, short limbs, and a brownish coloration with distinctive black and white spots on its flanks. This insectivorous species reproduces by laying eggs and is oviparous.
Forest spotted gecko
The forest spotted gecko (Cyrtodactylus speciosus) is a species of gecko native to the hills of South India, found in parts of the Eastern and Western Ghats. This nocturnal, insectivorous lizard lives on the forest floor among leaf litter and pebbles, and reproduces by laying eggs.