Common Chameleon

Fascinating facts about the Common Chameleon

• A common chameleon can stretch from 20 cm to 40 cm (8–16 in), with females often topping the size chart; this size gap gives bigger females room to lay more eggs, showing how body size directly fuels reproductive success.
• When the mating season rolls from mid-July to mid-September, the animals descend to lower levels of vegetation or to the ground to search for a mate.
• Females lay a single clutch of eggs each year, and the eggs sit in soil for 10–12 months before hatching, meaning a generation may take almost a full year to appear, underscoring the slow pace of their population turnover.
• Juveniles can vanish in a flash when a hungry male spots them, adult males will even eat the young, highlighting the brutal in-traspecific competition that can curb numbers before they even reach adulthood.
• Jesuit priests likely slipped the chameleon onto Malta around 1880 in a tiny garden, and in just over a century it has spread across the island and onto Gozo, a vivid example of how a single human act can spark a lasting wildlife colonisation.

At a glance

About the Common Chameleon

The common chameleon (Chamaeleo chamaeleon) stretches between 20 and 40 cm, with females often surpassing males in size. Its skin can glide from bright yellow-brown through vivid greens to deep brown, always marked by two light lines along each side. Beneath the subtle palette lies a small beard of scales and a row of hard plates crowning its back, while five-toed feet and a prehensile tail grant it masterful arboreal agility. When startled or examined, it may flash a dark hue, not merely to hide but to signal stress, a vivid example of chameleon body language that intertwines emotion with environmental cues. In the sun-dappled canopies of the Mediterranean Basin and the Red Sea fringe, this insectivorous reptile lies in wait, its lightning-fast tongue snapping up flies, hymenopterans, true bugs, crickets, grasshoppers and beetles, and occasionally fruit or even younger chameleons. It moves with a leisurely sway, a subtle dance that reduces predator detection, yet can surge with surprising speed during territorial bouts. Solitary by nature, it defends a modest domain until mid-July to mid-September, when males and females converge on lower vegetation or the ground to mate. Females lay a single clutch of eggs in soil, each incubating for ten to twelve months, and larger females produce more offspring, only to risk predation by the very adults that guard their territories.

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