Will Burrard-Lucas / Tufted gray langur (Semnopithecus priam) Close up portrait of head and shoulders. Minneriya National Park, Sri Lanka. September

Ben Hall / Langur monkey (Semnopithecus) climbing tree in misty forest at dawn, India, November.

Ripan Biswas / Portrait of an ant-mimicking crab spider. (Amyciaea sp) raising its legs to warn the photographer. Buxa tiger reserve, India.

Ripan Biswas / Ant-mimicking crab spider (Amyciaea lineatipes) predating a weaver ant (Oecophylla smaragdina) . Ant-mimicking crab spiders live around ant colonies. Buxa tiger reserve, India. Winning Portfolio of th...

Franco Banfi / Tail of Blue whale diving (Balaenoptera musculus brevicauda) possibly the pygmy sub-species of blue whale, (Balaenoptera musculus). Mirissa, Sri Lanka, Indian Ocean. Photo taken under permit

Franco Banfi / Tail of Blue whale (Balaenoptera musculus brevicauda). This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean

Danny Green / Bengal tiger (Panthera tigris tigris) female, portrait. Bandhavgarh National Park, India, December.

Danny Green / Bengal tiger (Panthera tigris tigris) profile walking, looking for prey. Bandhavgarh National Park, India, December.

Danny Green / Bengal tiger (Panthera tigris tigris) resting on track. Bandhavgarh National Park, India, December.

Danny Green / Bengal tiger (Panthera tigris tigris) male resting in undergrowth, portrait. Bandhavgarh National Park, India, December.

Guy Edwardes / Pallas's long-tongued Bat (Glossophaga soricina) feeding on Clock vine (Thunbergia mysorensis), lowland rainforest, Costa Rica. November.

Shane Gross / Sperm whale (Physeter macrocephalus) mother and calf, Sri Lanka. March.

Shane Gross / Flying fish (Exocoetidae) caught and drowned in a drift net off the coast of Sri Lanka.

Sylvain Cordier / Indian wild ass (Equus hemionus khur) running, Wild Ass Sanctuary, Little Rann of Kutch, Gujarat, India

Sylvain Cordier / Phayre's leaf monkey (Trachypithecus phayrei) group on branch, Tripura state, India

Tui De Roy / Strawberry land hermit crab (Coenobita perlatus). On white coral sand beach, Small unhinhabited coral islet in Raa Atoll lagoon, Maldives

Alex Mustard / Reef manta (Mobula alfredi) visiting a cleaning station on a coral reef with a school of Onespot snappers (Lutjanus monostigma), Oriental sweetlips (Plectorhinchus vittatus) and Sabre squirrelfish (Sa...

Fred Olivier / Tawny hermit crab (Coenobita rugosus) emerging from its shell, Christmas Island, Indian Ocean, Australian Territory.

Alex Mustard / Jellyfish (Catostylus sp.) swimming in a slick of plastic debris. Turtles feed on jellies such as these and this photo shows how easily they can get confused and feed on plastic instead. Indian Ocean...

Nayan Khanolkar / Tigress (Panthera tigris tigris) with her four cubs from Chandrapur district, Maharashtra, India. She lives in an area known for human-animal conflict and yet is successfully raising her four cubs in...

Nayan Khanolkar / Leopard (Panthera pardus) at night with city lights behind, Mumbai, India. November 2018. Camera trap image.

Nayan Khanolkar / Leopard (Panthera pardus) in city at night, Mumbai, India. December 2018. Highly commended in the Urban Wildlife category of the Wildlife Photographer of the Year Awards (WPOY Competition) 2020

Alex Mustard / RF - Blue whale (Balaenoptera musculus) diving vertically down into the ocean to feed. Indian Ocean, off Sri Lanka. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / Blue whale (Balaenoptera musculus) swimming beneath the surface of the ocean. Indian Ocean, off Sri Lanka.

Alex Mustard / Blue whale (Balaenoptera musculus) swims beneath the surface of the ocean. Indian Ocean, off Sri Lanka.

Alex Mustard / Pod of False killer whales (Pseudorca crassidens) swimming beneath the surface of the ocean. Indian Ocean, off Sri Lanka.

Alex Mustard / Pod of False killer whales (Pseudorca crassidens) swimming beneath the surface of the ocean. Indian Ocean, off Sri Lanka.

Alex Mustard / Carapace of a dead olive Ridley turtle (Lepidochelys olivacea) entangled in discarded fishing gear. Indian Ocean, off Sri Lanka.

Alex Mustard / Jellyfish (Catostylus sp.) swims beneath a slick of plastic debris. Indian Ocean off Sri Lanka. Highly commended in the Environmental Report section, Montphoto competition 2019

Alex Mustard / Midnight snapper (Macolor macularis) shelters in a cavern on a coral reef with white soft corals (Scleronephthya sp.) and solderfish. Vavuu Atoll, Maldives. Indian Ocean

Alex Mustard / School of White collar butterflyfish (Chaetodon collare) pack together above a coral reef. North Male Atoll, Maldives. Indian Ocean

Tony Wu / Sperm whale (Physeter macrocephalus), ten swimming together in gathering of more than 50 individuals. Whales with flatulence and defecating. Sri Lanka.

Felis Images / Asiatic lion (Panthera leo persica), female and cubs in morning light, cub biting mother's leg. Gir National Park, Gujarat, India. Photo© Phillip Ross/Felis Images

Lucas Bustamante / Sri Lankan leopard (Panthera pardus kotiya) rolling on its back, Yala National Park, Sri Lanka

Lucas Bustamante / Sri Lankan elephant (Elephas maximus maximus) walking past tourist jeep with tourists, Yala National Park, Southern Province, Sri Lanka

Lucas Bustamante / Toque Macaques (Macaca sinica) Polonnaruwa, Central Province, Sri Lanka

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) walking at night, with monsoon clouds and lightning. Kanha National Park, Central India. Dominant male (T29)

Andy Rouse / Bengal tiger (Panthera tigris) male, sub-adult aged three years, face portrait. Ranthambhore National Park, India.

Doug Gimesy / Little penguin (Eudyptula minor) on rocks of St Kilda breakwater, Melbourne city lights in background. Victoria, Australia. January 2017.

Doug Gimesy / Little blue penguin (Eudyptula minor), two standing on rocks at night, silhouetted against Melbourne city lights. St Kilda breakwater, Victoria, Australia. December 2016.

Yashpal Rathore / Small tree frog (Rhacophorus lateralis) at night under starry sky, Western Ghats. India. Endangered and endemic to Western Ghats.

Oriol Alamany / Snow leopard (Panthera uncia) female with juvenile, walking in snow, in Spiti Valley, Cold Desert Biosphere Reserve, Himalaya, Himachal Pradesh, India, March

Oriol Alamany / Snow leopard (Panthera uncia) male in snow, in Spiti Valley, Cold Desert Biosphere Reserve, Himalaya, Himachal Pradesh, India, March

Oriol Alamany / Snow leopard (Panthera uncia) female (hiding below the rock) with her two juveniles resting in snow, in Spiti Valley, Cold Desert Biosphere Reserve, Himalaya, Himachal Pradesh, India, March

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) dominant male (T29) cooling off in a waterhole Kanha National Park, Central India. Camera trap image.

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) dominant male (T29) cooling off in a waterhole Kanha National Park, Central India. Camera trap image.

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) dominant male (T29) and resident female (T27) cooling off in a watering hole Kanha National Park, Central India. Camera trap image.

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) dominant male (T29) and resident female (T27) cooling off in a waterhole Kanha National Park, Central India. Camera trap image.