Cyril Ruoso / Tropical rainforest. Golfo Dulce, Puntarenas, Costa Rica.

Cyril Ruoso / Red-necked wallaby (Macropus rufogriseus) in woodland clearing. Population naturalised after escaping from an animal park. Rambouillet forest, Ile-de-France, France. October 2019.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) amongst granite rocks in cave. Lemurs lick minerals from the rocks. Anja Community Reserve, Madagascar.

Cyril Ruoso / Long-tailed macaque (Macaca fascicularis) head portrait, Koram island, Khao Sam Roi Yot National Park, Thailand.

Cyril Ruoso / Long-tailed macaque (Macaca fascicularis) grooming, Koram island Khao Sam Roi Yot National Park, Thailand.

Cyril Ruoso / Long-tailed macaques (Macaca fascicularis) two juveniles sitting close together. Koram island, Khao Sam Roi Yot National Park, Thailand.

Cyril Ruoso / Long-tailed macaque (Macaca fascicularis) approaching camera, Koram island, Khao Sam Roi Yot National Park, Thailand.

Cyril Ruoso / Feral Horses (Equus caballus) gathering around waterhole, Namib-Naukluft National Park, Namibia.

Cyril Ruoso / Mute swan (Cygnus olor) feeding underwater, Burgundy, France, March.

Cyril Ruoso / Mute swan (Cygnus olor) feeding underwater, Burgundy, France, March.

Cyril Ruoso / Mute swan (Cygnus olor) feeding underwater, Burgundy, France, November.

Cyril Ruoso / Mute swan (Cygnus olor) feeding along riverbed, viewed underwater, Burgundy, France. November.

Cyril Ruoso / Mute swan (Cygnus olor) feeding along riverbed, viewed underwater, Burgundy, France. November.

Cyril Ruoso / Mute swan (Cygnus olor) feeding along riverbed, viewed underwater, Burgundy, France. November.

Cyril Ruoso / Rabbit (Oryctolagus cuniculus) juvenile Burgundy, France.

Cyril Ruoso / Rabbit (Oryctolagus cuniculus) juvenile running away, Burgundy, France.

Cyril Ruoso / Rabbit (Oryctolagus cuniculus) juvenile, Burgundy, France. May.

Cyril Ruoso / Common frogs (Rana temporaria) and frogspawn in pond, Yonne, Burgundy, France, February. Commended in the Reptiles, Amphibians and Fish Category of the Wildlife Photographer of the Year Awards competi...

Cyril Ruoso / Tropical frog (Hyperolius sp) trying to climb onto leaf, Bateke Plateau NP, Gabon.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) male showing canine teeth, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) juveniles interacting, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) females sitting close together with baby inbetween, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) female with young suckling, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) jumping over a frozen stream, Qinling Mountains, China. Sequence 2 of 7

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) adult male and female hugging, Qinling Mountains, China.

Cyril Ruoso / South American fur seal (Arctocephalus australis) coming up to beach from sea, Punta San Juan, Peru

Cyril Ruoso / South American fur seal (Arctocephalus australis) male head profile, Punta San Juan, Peru

Cyril Ruoso / Inmates of the Cedar Creek Corrections Center raising endangered Oregon spotted frog (Rana pretiosa) Prisoners in this facility are raising endangered frogs for release in the wild, as part of the Sus...

Cyril Ruoso / Arctic terns (Sterna paradisaea) flock flying in front of ice, Jokulsarlon lagoon, Iceland, May.

Cyril Ruoso / African Grey Parrot (Psittacus erithacus) flock taking off, Lake Lobak / Lobeke National Park, Cameroon, July.

Cyril Ruoso / Woman with baby collecting Madagascar periwinkle (Catharanthus roseus) flowers and leaves, used in herbal medicine, and containing molecules which are used in the treatment of leukemia cancer. Berenty...

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) foraging in sisal field looking for flowers during a poor year without much fruit. Berenty reserve, Madagascar, September.

Cyril Ruoso / Verreaux's sifakas (Propithecus verreauxi) in Madagascar ocotillo (Alluaudia procera) trees Berenty, Madagascar.

Cyril Ruoso / Verreaux's sifaka (Propithecus verreauxi) two resting Berenty, Madagascar.

Cyril Ruoso / Tenrec (Echinops telfairi) walking across leaf litter, Berenty Reserve, Madagascar.

Cyril Ruoso / Woman with baby looking at Sisal (Agave sisalana) fibres drying for rope making, Berenty Reserve, Madagascar.

Cyril Ruoso / Oilseed rape (Brassica napus) fields in flower, Burgundy, France, May.

Cyril Ruoso / Red fox (Vulpes vulpes) cub, Burgundy, France, May.

Cyril Ruoso / Close up of Sumatran rhinoceros (Dicerorhinus sumatrensis) female close up, part of a breeding program, Way Kambas National Park, Sumatra, Indonesia.

Cyril Ruoso / Close up of Sumatran rhinoceros (Dicerorhinus sumatrensis) female feeding, part of a breeding program, Way Kambas National Park, Sumatra, Indonesia.

Cyril Ruoso / Sumatran orangutan (Pongo abelii) baby reaching up to mother's hand, Gunung Leuser National Park, Sumatra, Indonesia.

Cyril Ruoso / Sumatran orangutan (Pongo abelii) female holding hands with baby whilst hanging from liana. Gunung Leuser National Park, Sumatra, Indonesia.

Cyril Ruoso / Assassin bug (Reduviidae) nymph, Way Kambas National Park, Sumatra, Indonesia.

Cyril Ruoso / Fruit of a Dipterocarp tree (Dipterocarpaceae) seed falling to the ground, Way Kambas National Park, Sumatra, Indonesia.

Cyril Ruoso / Fig tree (Ficus sp) in rainforest, Bukit Barisan National Park, Sumatra, Indonesia.

Cyril Ruoso / Man with Chamec spider monkeys (Ateles chamek) holding onto him as he walks through sanctuary. Ikamaperou Sanctuary, Amazon, Peru. October 2006.

Cyril Ruoso / Common woolly monkeys (Lagothrix lagotricha) climbing over keeper in Ikamaperou Sanctuary, Amazon, Peru. October 2006.

Cyril Ruoso / Keeper feeding Common woolly monkeys (Lagothrix lagotricha) in Ikamaperou Sanctuary, Amazon, Peru. October 2006.