Cyril Ruoso / Shoebill (Balaeniceps rex) parent shading two month old chick at nest, Bangweulu Wetlands, Zambia

Gerrit Vyn / Golden eagle (Aquila chrysaetos) shading its chick from the sun. Sublette County, Wyoming, USA, June.

Thomas Marent / Western Lowland Gorilla (Gorilla gorilla gorilla) silverback, native to Africa

Yukihiro Fukuda / Masked booby (Sula dactylatra) parent shading chick from harsh sunlight at nest, Christmas Island, Indian Ocean, July

Yukihiro Fukuda / Masked booby (Sula dactylatra) parent and young with beaks gaping to cool down in harsh sunlight, Christmas Island, Indian Ocean, July

Yukihiro Fukuda / Lesser frigatebird (Fregata ariel) female sheltering chick from harsh sunlight, shading with wing, in nest on top of shrub near beach, Christmas Island, Indian Ocean, July

Tony Heald / Black heron / egret (Hydranassa / Egretta ardesiaca) umbrella feeding, using wings to shade water below, Chobe National Park, Botswana

Tony Heald / Black heron / egret (Hydranassa / Egretta ardesiaca) umbrella feeding, using wings to shade water below, Chobe National Park, Botswana

Christian Ziegler / Dichorisandra (Dichorisandra sp) arranges all leaves in one plane to avoid self shading, Barro Colorado Island, Panama

Hanne & Jens Eriksen / Sooty gull {Ichthyaetus hemprichii } providing shade for two eggs in nest, Oman, August

Jouan & Rius / Bushman San looking into the distance shading face with hand, Kalahari desert, Botswana

Ingrid Visser / Little Auk (Alle alle) pair on rock, Arctic