This story appears in the June 2011 issue of National Geographic magazine. At dawn, three weeks before the winter solstice, the last tendrils of fog curled gray against the pinking sky over a sand ...

Their color provides perfect camouflage among the powdery reddish sands of the Namib Desert, their primary habitat. These geckos have adapted their webbed feet not only to help them stay atop ...

Collard, renowned for his deep knowledge and passionate advocacy for the Namib desert, was the founder of Tommy’s Tours & Safaris and the pioneer of the widely acclaimed Living Desert Tours.