EARTH TO SKY: AMONG AFRICA'S ELEPHANTS
A book of poignant images shows pachyderms in their native habitats.
Young bulls constantly grapple and test each other, learning valuable skills they will need in their adulthood.
Samburu National Reserve, Kenya, 2007
"On this evening, I remember thinking: If an elephant walks through my camera trap with this sunset, it will be a miracle," writes the photographer.
A newborn of the Kenyan Mountains family crosses the Ewaso Ngiro River, sheltered under the legs of family members.
"Some of my favorite images were taken by the elephants themselves, as they broke the invisible beams of carefully placed camera traps," writes Nichols.
Loango National Park, Gabon, 2003
Surrounded and protected by the adult females, younger elephants play and mock-fight.
"After charging at my scent," writes Nichols, "this elephant was putting on the brakes when I made this image; we both then turned and ran off."
Dzanga-Ndoki National Park, Central African Republic, 1993