Enyalioides laticeps
The Amazon broad-headed wood lizard (Enyalioides laticeps) is a small, semi-arboreal reptile native to the Amazonian rainforests. Characterized by a high vertebral crest and a broad head, it relies on camouflage and immobility to ambush prey and evade predators. This diurnal and omnivorous species is known for its ability to change color from green to brown when disturbed, blending seamlessly with its environment.
Key Facts
- ›Found abundantly in Amazonian rainforests across Colombia, Ecuador, Peru, and Brazil.
- ›Possesses a distinctive high vertebral crest and a broad, pyramidal head shape.
- ›Semi-arboreal, spending time both on the ground and in trees, often sleeping on vegetation.
- ›Diurnal and omnivorous, with a diet primarily consisting of spiders, caterpillars, beetle larvae, grasshoppers, crickets, and earthworms.
- ›Can change color from green to brown to blend with its surroundings when threatened.
- ›Listed as 'Least Concern' by the IUCN due to its adaptability and widespread distribution.
Amazon Broad-Headed Wood Lizard, Big-Headed Stick Lizards, Guichenot's Dwarf Iguana, Amazon Dwarf-Iguana, Amazon Forest Dragon
Colombia, Ecuador, Peru, Brazil
- Small Dwarf Iguanian Lizard.
- Maximum Snout-To-Vent Length Is 157 mm For Males and 130 mm For Females.
- Features A Very High Vertebral Crest Along Its Back, Particularly On the Nape.
- Head Is Relatively Large, Approximately ⅓ – ¼ of Svl, With A Four-Sided Pyramidal Shape and Two Ridges Above the Eyes.
- Head Width Is Approximately 0.7–0.9 Times Its Length, Giving It A 'Broad-Headed' Appearance.
- Body Is Laterally Compressed.
- Possesses Well-Developed Forelimbs and Long Hindlimbs.
- Tail Is Long, 1.5–1.9 Times Its Svl.
- Dorsal Scales Vary From Dull Green To Tan To Brown, Sometimes With Bluish Areas; Ventral Scales Are White To Cream To Tan.
- Males May Have A Dark Brown Or Black Gular Region.
- Coloration Can Be Spotless Or Superimposed With Reticulate, Chevrons, Or Scattered Clear Spot Patterns.
- Males Can Be Identified By A 2–3 Scale-Wide Strip of Cream, White, Or Orange Color On the Throat Region.
- Dorsal and Lateral Scales Are Homogenous In Size.
- Lacks Mucrones On Its Scales.
- Has A Smooth Tail, Almost Circular In Cross-Section.
Spiders, Caterpillars, Beetle Larvae, Grasshoppers, Crickets, Earthworms
- Semi-Arboreal, Spending Time Both On the Ground and In Trees.
- Diurnal, Active During the Day.
- Omnivorous.
- Relies On Immobility and Camouflage To Avoid Predators.
- Can Change Color From Green To Brown When Disturbed .
- Flees Rapidly When Discovered.
- May Inflate Its Gular Pouch and Display Jaws/Teeth As A Threat Display.
- Sleeps On Vegetation Like Branches Or Palm Fronds, Often In A Horizontal Position Hugging Thin Sticks.
- May Retreat To Burrows In the Ground Or Shallow Forest Floor Holes At Night.
Omnivore, Insectivore, Arachnivore
Tropical Flat Snake
About Enyalioides laticeps
Enyalioides laticeps: The Amazon Broad-Headed Wood Lizard
The Amazon broad-headed wood lizard, scientifically known as Enyalioides laticeps, is a distinctive reptile inhabiting the lush Amazonian rainforests of South America. This species, often referred to by common names such as the big-headed stick lizard or Guichenot's dwarf iguana, is characterized by its remarkable vertebral crest and a notably broad head, which gives it its name. They are semi-arboreal, adept at navigating both the forest floor and the lower branches of trees, where they often sleep.
Physical Characteristics and Behavior
Enyalioides laticeps is a small lizard, with males reaching a snout-to-vent length of up to 157 mm. A key feature is its high vertebral crest, most prominent on the nape of the neck. Its body is laterally compressed, and it possesses well-developed limbs. The lizard's coloration can vary, typically ranging from dull green to brown, and it possesses the remarkable ability to change to brown tones when disturbed, a form of metachromism that aids in camouflage. When threatened, it often remains motionless, mimicking a stick, but can also flee rapidly or engage in a threat display involving inflating its gular pouch.
Habitat and Diet
This species is found abundantly in primary and sometimes secondary forests across parts of Colombia, Ecuador, Peru, and Brazil, typically at elevations between 80 and 1600 meters. They are diurnal and omnivorous. Their diet primarily consists of invertebrates, with spiders, caterpillars, and beetle larvae making up a significant portion of their intake, supplemented by grasshoppers, crickets, and earthworms.
Reproduction and Conservation
As an oviparous species, female Enyalioides laticeps lay clutches of 5 to 7 eggs. The species is generally considered adaptable and is listed as 'Least Concern' by the IUCN. This status is attributed to its broad distribution, varied habitat tolerance, and effective survival strategies, which prevent significant population decline or immediate threats of extinction.
Source: Wikipedia ↗
Frequently Asked Questions
What is the Enyalioides laticeps?
Enyalioides laticeps, also known as the Amazon broad-headed wood lizard, is a small, semi-arboreal lizard found in the Amazonian rainforests. It is characterized by its prominent vertebral crest and broad head, and it uses camouflage to hunt and avoid predators.
Where does the Amazon broad-headed wood lizard live?
This species is distributed throughout the upper western Amazon basin, inhabiting primary and sometimes secondary forests in countries like Colombia, Ecuador, Peru, and Brazil. They are found at elevations ranging from 80 to 1600 meters.
What does Enyalioides laticeps eat?
The diet of the Amazon broad-headed wood lizard is omnivorous. It primarily consists of invertebrates such as spiders, caterpillars, beetle larvae, grasshoppers, crickets, and earthworms.
How does the Amazon broad-headed wood lizard avoid predators?
Enyalioides laticeps employs several strategies to avoid predators. It relies heavily on cryptic coloration and immobility, often remaining motionless to blend with its environment. If discovered, it can flee rapidly to burrows or beneath logs.
What are the physical characteristics of Enyalioides laticeps?
This lizard is small, with adults reaching a snout-to-vent length of up to 157 mm. It has a very high vertebral crest along its back, a broad, four-sided pyramidal head, and can change its coloration from green to brown when disturbed.
What is the conservation status of the Amazon broad-headed wood lizard?
The Amazon broad-headed wood lizard is listed as 'Least Concern' by the IUCN. This is attributed to its adaptability, broad habitat range, quick running ability, and presence in protected areas, which mean it is not currently facing significant population decline or extinction threats.
How does Enyalioides laticeps reproduce?
Enyalioides laticeps is oviparous, meaning it lays eggs. Females can lay between 5 to 7 eggs at a time, and are observed carrying oviductal eggs from April to August.
Related Lizards
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Uroplatus sameiti
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Holaspis
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