"The art of tracking may well be the origin of science." This is the departure point for a 2013 book by Louis Liebenberg, co-founder of an organization devoted to environmental monitoring.

Desert tortoises have lived in the deserts of California, Arizona, Nevada and Utah since the Pleistocene. In the early years of the 20th century, they still thrived within the Southwest's arid ...

The group of sulcata tortoises became too big for their previous home at the Blue Planet Aquarium in Ellesmere Port, Cheshire A zoo in Leeds has welcomed five giant tortoises after they outgrew ...

A zoo in Leeds has welcomed five giant tortoises after they outgrew their previous home. The group of sulcata tortoises, also known as African spurred tortoises, has moved from the Blue Planet ...