### Identification The Branch’s Agama (*Acanthocercus branchi*) is a robust, medium-sized lizard that embodies the rugged beauty of the Namibian wilderness. While females and juveniles remain a cryptic, mottled grey-brown to blend with granite, the dominant males are breathtaking. During the heat of the day, a territorial male’s head transforms into a brilliant, electric turquoise or deep cobalt blue, starkly contrasting with a dusty olive body. Look for the distinct "black velvet" patch on the shoulder and the heavily keeled, prickly scales along the spine. Unlike the more common Southern Tree Agama, *A. branchi* lacks the yellow mid-dorsal stripe, appearing more uniform and rugged.
### Habitat & Range This species is a specialist of the arid northwest, endemic to the Kunene and Erongo regions of Namibia. You won’t find them in lush forests; instead, seek them out in the sun-baked landscapes of Damaraland and the Kaokoveld. They are "rupicolous" (rock-dwelling) but show a particular fondness for the gnarled, peeling bark of Mopane trees growing near rocky outcrops (kopjes).
### Behaviour If you spot a flash of blue atop a boulder, you’ve found the sentinel. These agamas are strictly diurnal and highly territorial. Dominant males perform rhythmic "push-ups" and vigorous head-bobs to signal their status to rivals. They are exceptionally wary; at the slightest hint of a raptor or an approaching photographer, they will scramble to the far side of a tree trunk or rock, expertly keeping the obstacle between themselves and the threat—a classic "squirrel-style" evasion.
### Diet As patient "sit-and-wait" predators, they spend hours motionless, scanning for movement. Their diet consists primarily of ants, beetles, and termites. When a morsel wanders too close, the agama strikes with lightning speed, utilizing a sticky, thick tongue to reel in the prey.
### Fascinating Fact Despite being a prominent feature of the Namibian landscape, this species was only scientifically described in 2012! It was named in honor of the late Bill Branch, a legendary herpetologist whose passion for African reptiles inspired generations of naturalists.