Sylvain Cordier / Monarch butterfly (Danaus plexippus) wintering in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve / Reserva de Biosfera de la Mariposa Monarca UNESCO World Heritage Site, An...

Ingo Arndt / Snow covered Cerro Paine Grande in the Cordillera Paine massif. At sunrise, Torres del Paine National Park, Patagonia, Chile. April 2017.

Oriol Alamany / Snow Leopard (Panthera uncia) female with two cubs climbing a canyon cliff at dusk at 4400 metres, Spiti valley, Cold Desert Biosphere Reserve, Himalaya mountains, Himachal Pradesh, India, February

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) juveniles hanging by tails and playing, Calakmul Biosphere Reserve, Yucatan Peninsula, Mexico, August

Giri Cavale / Tiger (Panthera tigris tigris) female with cub, Kabini, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Alex Hyde / Brown / Tufted Capuchin (Cebus apella) family group in cloud forest, Manu Biosphere Reserve, Peru.

Nick Garbutt / Andean cock-of-the-rock (Rupicola peruvianus), male displaying at lek in tree. Manu Biosphere Reserve, Amazonia, Peru.

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Claudio Contreras / Grey whale (Eschrichtius robustus) breaching, San Ignacio Lagoon, El Vizcaino Biosphere Reserve, Baja California, Mexico, March

Claudio Contreras / Grey whale (Eschrichtius robustus) tail, San Ignacio Lagoon, El Vizcaino Biosphere Reserve, Baja California, Mexico, March

Claudio Contreras / Grey whale (Eschrichtius robustus) calf, San Ignacio Lagoon, El Vizcaino Biosphere Reserve, Baja California, Mexico, February

Staffan Widstrand / Wild Wonders of China / Golden pheasant (Chrysolophus pictus) male jumping, Yangxian Biosphere Reserve, Shaanxi, China

Eladio Fernandez / Cienaga de Zapata Swamp at sunset, UNESCO Biosphere Reserve, Cuba, January 2009.

Sylvain Cordier / Monarch butterfly (Danaus plexippus), wintering from November to March in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve, Mexico.

Konrad Wothe / Pheasant (Phasianus colchicus) male calling, East Frisian Islands, Wittbulten National Park. Wadden Sea UNESCO World Heritage Site, Germany, June.

Luis Quinta / Beach at the north of Principe Island, Democratic Republic of Sao Tome and Principe, Gulf of Guinea.

Claudio Contreras / Californian Sealion (Zalophus californianus) in kelp (Macrocystis pyrifera) forest, San Benito del Este Island, Baja California Peninsula Pacific Islands Biosphere Reserve, Baja California, Mexico, Ma...

Claudio Contreras / Great Frigatebird (Fregata minor) departing from nest, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve / Archipielago de Revillagigedo UNESCO Natural World Heritage Site (Socorro Isl...

Claudio Contreras / American crocodile (Crocodylus acutus) rear view of animal resting in shallow water, close up of tail, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) resting just above seagrass underwater, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Andres M. Dominguez / Great grey shrike (Lanius meridionalis) perched on a branch of Montpellier maple (Acer monspessulanum). Sierra de Grazalema Natural Park. southern Spain. December.

Andres M. Dominguez / Blue lupin (Lupinus angustifolius) Sierra de Grazalema Natural Park, southern Spain, May.

Andres M. Dominguez / Mirror orchid (Ophrys speculum) in the Sierra de Grazalema Natural Park, El Bosque, southern Spain, April.

Andres M. Dominguez / European stonechat (Saxicola rubicola) male perched with mountainous habitat behind, Sierra de Grazalema Natural Park, southern Spain, February.

Andres M. Dominguez / Common stonechat (Saxicola torquata) perched on bramble, Sierra de Grazalema Natural Park, southern Spain, November.

Andres M. Dominguez / Great green bush-cricket (Tettigonia viridissima) and Common poppy (Papaver rhoeas) Sierra de Grazalema Natural Park, southern Spain, April.

Andres M. Dominguez / Dew on spiderweb with Common poppy (Papaver rhoeas) in the background, Sierra de Grazalema Natural Park, El Bosque, southern Spain, April.

Andres M. Dominguez / Orchid (Ophrys atlantica) Sierra de Grazalema Natural Park, Benaocaz, southern Spain, May.

Andres M. Dominguez / Orchid (Orchis langei) in sunset light, Sierra de Grazalema Natural Park, southern Spain, May.

Andres M. Dominguez / Heart shaped lip dactylorhiza orchid (Orchis cordigera) in flower, Sierra de Grazalema Natural Park, southern Spain, May.

Andres M. Dominguez / Frozen Elmleaf blackberry (Rubus ulmifolius) in a small pond, Sierra de Grazalema Natural Park, southern Spain, January.

Andres M. Dominguez / Bacteria (Lepthotryx discophora) causing iridescent patterns and White willow tree leaf (Salix alba) in river, Sierra de Grazalema Natural Park, southern Spain, November.

Andres M. Dominguez / Dove's-foot crane's-bill leaf (Geranium molle) and algae in ice with air bubbles, Sierra de Grazalema Natural Park, southern Spain, February.

Andres M. Dominguez / Holm oak tree (Quercus ilex) in snowfall, Sierra de Grazalema Natural Park, southern Spain, January.

Andres M. Dominguez / Leaf frozen in ice, Sierra de Grazalema Natural Park, southern Spain, February. Highly Commended in the Plants and Fungi Category of the Asferico 2016 Awards.

Andres M. Dominguez / Ice and grass in frozen pond, Sierra de Grazalema Natural Park, southern Spain, January.

Andres M. Dominguez / Hawthorn berries (Crataegus monogyna) in Poplar woodland (Populus) Sierra de Grazalema Natural Park, southern Spain. October.

Dr. Axel Gebauer / Oxeye daisy (Leucanthemum vulgare) abstract, Upper Lusatia Heath and Pond Landscape, Upper Lusatia UNESCO Biosphere Reserve, Germany

Dr. Axel Gebauer / Bacteria - iron and manganese oxidizers and their complementary reducers, in the mud of an empty fish pond, Upper Lusatia Heath and Pond Landscape, Upper Lusatia UNESCO Biosphere Reserve, Germany

Yukihiro Fukuda,Yukihiro Fukuda / Japanese fireflies (Luciola cruciata) in flight at night, endemic species, Yaku-shima UNESCO World Heritage Site, Kagoshima, Japan, May

Pete Oxford / Vines in tropical rainforest understory, Yasuni National Park declarned a UNESCO Biosphere Reserve in 1989, Amazon rainforest, Ecuador

Pete Oxford / Vines in tropical rainforest understory, Yasuni National Park declarned a UNESCO Biosphere Reserve in 1989, Amazon rainforest, Ecuador

Pete Oxford / Tropical rainforest understory, Yasuni National Park declarned a UNESCO Biosphere Reserve in 1989, Amazon rainforest, Ecuador

Robert Valentic / Gibber gecko (Lucasium byrnei) male standing in sand. Near Morgan, Hattah-Kulkyne and Murray-Kulkyne Biosphere Reserve, South Australia. May.

Robert Valentic / Marbled gecko (Christinus marmoratus) male on wood near Pinnaroo, Hattah-Kulkyne and Murray-Kulkyne Biosphere Reserve, South Australia. January.

Gabriel Rojo / Hyacinth macaw (Anodorhynchus hyacinthinus) perched in tree. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Argentine black and white tegu lizard (Tupinambis merianae). Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Great black hawk (Buteogallus urubitinga) perched on branch. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Golden-winged cacique (Cacicus chrysopterus) vocalising in Palm tree. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Wildlife photographer taking photograph of Crocodilian. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Two wildlife photographers taking photograph of Crocodilian. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Green kingfisher (Chloroceryle americana) perched on branch. Pantanal, Mato Grosso, Brazil

Gabriel Rojo / Limpkin (Aramus guarauna) vocalising in tree. Pantanal, Mato Grosso, Brazil

Gabriel Rojo / Bare-faced curassow (Crax fasciolata) running across the Transpantaneira route, car in background. Pantanal, Mato Grosso, Brazil. 2017.

Gabriel Rojo / Brazilian porcupine (Coendou prehensilis) in tree. Cuiaba River, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Fisherman bat (Noctilio leporinus),Cuiabá River,Pantanal, Mato Grosso, Brazil

Gabriel Rojo / Wild Jaguar (Panthera onca), Endangered, Cuiabá River,Pantanal, Mato Grosso, Brazil

Gabriel Rojo / Black skimmer (Rynchops niger) on sand with open beak..Cuiaba River, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Wild Jaguar (Panthera onca), Endangered, Cuiabá River,Pantanal, Mato Grosso, Brazil

Gabriel Rojo / Jaguar (Panthera onca) sleeping in tree, legs dangling down. Cuiaba River, Pantanal, Mato Grosso, Brazil. September.

Gabriel Rojo / Giant river otter (Pteronura brasiliensis) resting on fallen tree trunk above Cuiaba River. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Black skimmer (Rynchops niger) in flight. Cuiaba River, Pantanal, Mato Grosso, Brazil. September.

Gabriel Rojo / Yellow-billed tern (Sternula superciliaris) standing on sand with open beak. Cuiaba River, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Pied plover (Vanellus cayanus) on sandy bank. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Rufous hornero (Furnarius rufus) with prey in beak, on top of mud nest. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Rufous hornero (Furnarius rufus) on top of mud nest. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Ringed kingfisher (megaceryle torquata) perched with beak open in wetland. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Water body surrounded by trees, in dry season. Pantanal, Mato Grosso, Brazil. September 2017.

Gabriel Rojo / Turquoise-fronted Amazon (Amazona aestiva) perched on tree trunk. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Black-crowned night-heron (Nycticorax nycticorax) perched in bush. Pantanal, Brazil.

Gabriel Rojo / Hyacinth macaw (Anodorhynchus hyacinthinus) pair perched on branch, silhouetted under crescent moon. Mato Grosso Forest, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Hyacinth macaw (Anodorhynchus hyacinthinus) two perched in palm tree. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Tree in forest during dry season. Pantanal, Brazil.

Gabriel Rojo / Broad-snouted caiman (Caiman latirostris) baby with flies on head, portrait. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Coatí (Nasua nasua) foraging. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Coatí (Nasua nasua) standing amongst vegetation. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / American stork (Jabiru mycteria) with beak open, standing in water. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / American stork (Jabiru mycteria) hunting in water. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / South American brown brocket (Mazama gouazoubira) feeding at edge of field. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / South American brown brocket (Mazama gouazoubira) walking along edge of field. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Cocoi heron (Ardea cocoi) standing in tree. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Toco toucan (Ramphastos toco) pair billing in tree. Pantanal forest, Mato Grosso, Brazil.

Gabriel Rojo / Lizard climbing up tree trunk. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Hyacinth macaw (Anodorhynchus hyacinthinus) pair in courtship, perched in tree. Mato Grosso forest, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Marsh deer (Blastocerus dichotomus) feeding in wetland. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Marsh deer (Blastocerus dichotomus) walking across track in forest. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / American stork (Jabiru mycteria), two standing in tree with beaks open. Pantanal, Mato Grosso, Brasil.

Gabriel Rojo / Brown striped tufted capuchin monkey (Sapajus apella). Pantanal, Mato Grosso Brazil.

Gabriel Rojo / Brown striped tufted capuchin monkey (Sapajus apella) resting in tree. Amazon rainforest, Mato Grosso Brazil.

Gabriel Rojo / Greyish saltator (Saltator coerulescens). Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Palm trees with milky way in night sky. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Argentine black and white tegu lizard (Tupinambis merianae), tasting air with tongue. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Argentine black and white tegu lizard (Tupinambis merianae). Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Argentine black and white tegu lizard (Tupinambis merianae), portrait. Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Hyacinth macaw (Anodorhynchus hyacinthinus) pair perched on branch. Mato Grosso forest, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / American stork (Jabiru mycteria) standing in water. Pantanal, Mato Grosso, Brazil.