Jack Dykinga / Ponderosa pine (Pinus ponderosa) growing in Grand Staircase-Escalante National Monument, Utah, October 2014.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) against a star filled sky with a brilliant Milky Way. Zion National Park, Utah, USA, September.

Alex Mustard / A split level view of a bull California sealion (Zalophus californianus) swimming beneath Los Islotes sealion colony. La Paz, Mexico. Sea of Cortez, East Pacific Ocean.

Yva Momatiuk & John Eastcott / Pacific Walrus (Odobenus rosmarus divergens) bull portrait on coastal rocks in haul-out cove, summer, Round Island, Bering Sea, Bristol Bay, Alaska

Tui De Roy / Campbell Albatross (Thalassarche impavida) portrait of two month old chick awaiting parent's feeding, Bull Rock, North Cape Colony, Campbell Island, New Zealand

Tui De Roy / Campbell Albatross (Thalassarche impavida) coming in to land, Bull Rock Cape Colony, Campbell Island, New Zealand

Tui De Roy / Campbell Albatross (Thalassarche impavida) pair at Bull Rock, North Cape Colony, Campbell Island, New Zealand

Tui De Roy / Campbell Albatross (Thalassarche impavida) coming in to land, Bull Rock, North Cape Colony, Campbell Island, New Zealand

Jack Dykinga / Ponderosa pine (Pinus ponderosa) infront of petrified sand dunes with ephemeral waterfall after autumn rains, Grand Staircase-Escalante National Monument, Utah, USA. October.

Jack Dykinga / Moran Point with Ponderosa pine (Pinus ponderosa) and rock spires, Grand Canyon National Park, Arizona, USA.

Philippe Clement / Replica of prehistoric rock paintings of the Chauvet Cave. Replica in Nationalparkzentrum Falkenstein, Bavarian Forest NP, Germany. Showing extinct Cave lion and Auroch bull (Bos primigenius) Editoria...

Floris van Breugel / Arrowleaf balsamroot (Balsamorhiza sagittata) flowers in bloom on slope with Ponderosa pines (Pinus ponderosa) Eastern Washington, USA, May 2014.