Brown Basilisk (Basiliscus vittatus) lives in tropical rainforest across Central America. It feeds on insects and small lizards. Its conservation status is Least Concern.
Fascinating facts about the Brown Basilisk
- When threatened the brown basilisk darts across the surface of a river or lake at high speed, using its hind-foot flaps to stay afloat. Smaller individuals can manage runs of about 10-20 m without sinking, and the youngest are able to travel even farther than older lizards. The animal opens the narrow skin flaps on the distal edge of each toe, which expands the surface area of its feet and lets it sprint on water.
- Male brown basilisks can reach a total length of 61 cm, including the tail, which makes them noticeably larger than females. The species bears a distinctive three-part dorsal crest that runs from the head along the back to the tail, and the male's crest is larger than that of the female. This pronounced crest, together with the overall size, gives the male a more striking silhouette.
- Adult brown basilisks weigh between 200 g and 600 g, a broad range for a lizard of this size. Their long toes end in sharp claws, aiding in gripping surfaces both on land and while sprinting across water. The hind feet are equipped with narrow flaps of skin on the distal edge of each toe, which increase foot surface area during rapid water runs. Their overall brown or olive-brown colouration with black crossbands provides camouflage in their native habitats.
- Female brown basilisks lay a clutch of two to eighteen eggs and can repeat this up to eight times within a single year. After an incubation period of roughly three months the eggs hatch, producing newborns that weigh only about two grams.
- The brown basilisk is indigenous to Mexico, Central America and the north-western part of Colombia, where it occupies humid forest habitats. Humans have introduced the species to the U.S. state of Florida, where it now persists as an invasive reptile. Its ability to move swiftly across water and its camouflage help it establish populations far from its original range.
Sources
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At a glance
RangeCentral America
HabitatTropical rainforest
DietInsects and small lizards
About the Brown Basilisk
In the misty dawn of the tropical rainforest, the brown basilisk emerges, its scaly skin glistening like polished mahogany as it pads silently across the forest floor, its long tail twitching with every step. With an air of quiet confidence, it navigates the dense undergrowth, its piercing eyes scanning the surroundings for the slightest hint of movement, ever vigilant for potential prey or predators. As it reaches the water's edge, it unleashes its most remarkable trait: the ability to run across the surface of the river, its powerful hind legs propelling it forward with incredible agility, defying gravity in a breathtaking display of reptilian prowess.
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