Morley Read / Developing embryo of the Ecuadorian monkey frog (Phyllomedusa ecuatoriana), showing heart beating and blood flowing, Morona Santiago Province, Ecuador, (non-ex)

Morley Read / Close-up of an Amazon leaf frog (Cruziohyla Craspedopus) tadpole developing in egg, Ecuador. (non-ex)

Nick Upton / White stork (Ciconia ciconia) parent standing beside its three developing chicks. In captive breeding colony raising young birds for UK White Stork reintroduction project at the Knepp Estate. Cotswold...

Steve Downer / Timelapse of Sycamore tree (Acer pseudoplatanus) leaves developing, UK. March. Controlled conditions.

Alastair MacEwen / Time-lapse of toadspawn from a Common toad (Bufo bufo) developing, emerging and feeding on nutrient jelly, Somerset, England, UK, April.

Alastair MacEwen / Close up time-lapse of frogspawn from a Common frog (Rana temporaria) developing, emerging and feeding on nutrient jelly, Somerset, England, UK, April.

Alastair MacEwen / Time-lapse of frogspawn from a Common frog (Rana temporaria) developing, Somerset, England, UK, April.

Gerrit Vyn / Black-faced Spoonbills (Platalea minor). Incheon, South Korea. October. Critically endangered.

Lucas Bustamante / Sarayacu clownfrog (Dendropsophus sarayacuensis) with its clutch of eggs developing and starting to drop off from a leaf into the water below, where the tadpoles will develop. Sumaco National Park, N...

Bruno D'Amicis / Young Fennec fox (Vulpes zerda) cub, offered for sale to the photographer by the young man who trapped it in the desert. Kebili Region, Tunisia. May 2014. Winner of the World in our Hands category, Wi...

Tom Gilks / Basic electric wiring linking homes in a slum with a diesel powered generator, Remba Island, Lake Victoria, Kenya.

Tom Gilks / Tanzanian boys doing homework using oil lamp, Tanzania.