Jen Guyton / Mountain gorilla (Gorilla beringei beringei) female with two infants resting in forest vegetation, Volcanoes National Park, Rwanda. Endangered.

Inaki Relanzon / Two Gentoo penguins (Pygoscelis papua) a chick chasing the adult for food, Falkland Islands, Atlantic Ocean.

Inaki Relanzon / Black-browed albatrosses (Thalassarche melanophrys) pair, mutual preening on nest with chick, nesting colony in background, Falkland Islands, Atlantic Ocean. February.

Inaki Relanzon / Ring-tailed lemur (Lemur catta) female carrying infant on her back, portrait, Anja reserve, Madagascar. Endangered.

Guy Edwardes / Dalmatian pelican (Pelecanus crispus) juvenile, in flight against mountain backdrop, Lake Kerkini, Greece. January.

Franco Banfi / Sperm whale (Physeter macrocephalus) calf swimming close to its mother, Dominica, Caribbean Sea.

Franco Banfi / Dragonfly (Odonata) nymph resting on plant stem underwater, Lake di Starlaresc da Sgiof, upper Verzasca Valley, Ticino, Switzerland. July.

Franco Banfi / Sperm whale (Physeter macrocephalus) female with calf, diving, Dominica, Caribbean Sea.

Franco Banfi / Alpine newt (Ichthyosaura alpestris) juvenile albino, portrait, showing its gills, River Ticino, Verzasca Valley, Switzerland. July.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) female, in flight carrying pup, aged 4-5 weeks. The mother has lost hold of the pup which is just gripping on with its feet, Myuna Wetlands, Doveton, Vi...

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) female, in flight carrying pup, aged 4-5 weeks. The mother has lost hold of the pup which is just gripping on with its feet, Myuna Wetlands, Doveton, Vi...

David Pike / Scottish wildcat (Felis silvestris silvestris) kitten, cautiously peering out from undergrowth. Part of a captive breeding programme, West Country Wildlife Photography Centre, near Launceston, Cornwal...