Rwenzori Hantravel Safaris
THREE-HORNED CHAMELEON
Resembling a miniature prehistoric Triceratops, the Johnston’s Three-Horned Chameleon (Trioceros johnstoni) is one of the most fascinating endemic reptiles found in the Rwenzori Mountains. Native strictly to the high-altitude forests of the Albertine Rift, this slow-moving canopy dweller is a massive favorite among nature lovers and photographers trekking Uganda’s trails.
Spotting one perfectly camouflaged in the montane vegetation is a true highlight of any lower-slope nature walk. The most famous feature belongs exclusively to the males, who boast three prominent, forward-facing horns located above the eyes and on the snout. They use these horns to engage in slow-motion jousting matches with rivals over territory, whereas females lack these horns entirely and rely purely on stealth.
Unlike lowland reptiles requiring intense tropical heat, this specialized species has evolved to withstand the famously cold environment of the Mountains of the Moon. They purposefully position themselves to bask in the limited morning sunlight to regulate their body temperature.
Their resting color is typically a vibrant leaf-green or earthy brown. However, they can rapidly shift their skin tones to display bright yellows, dark greens, and blacks in response to temperature changes, stress, or mating displays. They also possess turret-like eyes that move completely independently, giving them a full panoramic field of vision to spot prey before shooting out a highly sticky tongue to snatch flying insects.
In the Rwenzori Mountains, they thrive in the transitional montane forests, bamboo zones, and thick underbrush between 1,000 and 2,500 meters in elevation. They are frequently spotted by sharp-eyed local guides on the low branches and bushes right along the beginning of the trekking trails.
To avoid detection by birds of prey and sneak up on insects, they move with a distinct, slow, back-and-forth rocking gait. This behavior makes them look exactly like a dead leaf swaying gently in the mountain breeze. Like the Bush Viper, they also utilize a strong prehensile tail as a specialized fifth limb to securely grip twigs and vines.
“Three-Horned Chameleon”
Wildlife Directory | Rwenzori Hantravel Safaris
