Desert beetle and tracks along sanddune, rear view - Namib Desert, Namibia, Africa

Desert beetle and tracks along sanddune, front view - Namib Desert, Namibia, Africa

Scenic view of sand dunes in the Erg Chebbi area of the Sahara desert

A tourist with Tuareg guide sits in the vastness of the sand dunes of the Erg Chebbi area of the Sahara desert

Scenic view of sand dunes in the Erg Chebbi area, Sahara desert

A red fox stands in snow on the top of a beach sand dune with tall brown grasses around it

A red fox stands on the top of a snow covered sand dune just after sunset

A red fox sits in the deep snow on a sand dune in the soft dusk light

A red fox stalks along a path in the sand dunes of southern New Jersey on a bright sunny day

The red fox took a moment to look back at me as it stood on a snow covered sand dune

A red fox stands on a sandy dune with tall grass and a bright blue sky

A red fox pauses for a moment on the top of a sand dune against the purple and blue dusk sky