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

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

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 / 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

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

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

Robin Chittenden / Tufted grey langur (Semnopithecus priam priam) baby, Sri Lanka.

Tony Wu / Blue whale (Balaenoptera musculus indica) in Indian Ocean, Mirissa, Matara, Sri Lanka.

Franco Banfi / Bryde's whale (Balaenoptera edeni) Trincomalee, Eastern Province, Sri Lanka, Bay of Bengal, Indian Ocean

Franco Banfi / Bryde's whale (Balaenoptera edeni) tail, Trincomalee, Eastern Province, Sri Lanka, Bay of Bengal, Indian Ocean

Alex Mustard / Blue whale (Balaenoptera musculus) diving beneath the surface. Indian Ocean, Sri Lanka.

Sebastian Kennerknecht / Hairy Water Lily (Nymphaea pubescens) flower, Diyasaru Park, Colombo, Sri Lanka

Ingo Arndt / Tea plantation near Kandy, Sri Lanka

Tony Wu / Pygmy blue whale (Balaenoptera musculus brevicauda) swimming in blue water, Sri Lanka, Indian Ocean.

Tony Wu / Pygmy blue whale (Balaenoptera musculus brevicauda) diving with pelagic fish (likely yellowfin tuna or similar open ocean predatory species) visible in the background, Sri Lanka, Indian Ocean.

Tony Wu / Blue whale (Balaenoptera musculus) swimming in s motion, Sri Lanka, Indian Ocean.

Tony Wu / Humpback whale (Megaptera novaeangliae) juvenile male. This is the first verified record of a living humpback whale in the waters off Sri Lanka.

Tony Wu / Humpback whale (Megaptera novaeangliae) juvenile male playing and spinning This is the first verified record of a living humpback whale in the waters off Sri Lanka.

Tony Wu / Sperm whale (Physeter macrocephalus) adult female swimming upwards to surface with other behind. Indian Ocean, March.

Tony Wu / Group of Sperm whales (Physter macrocephalus) family group swimming together, Indian Ocean, March.

Tony Wu / Sperm whales (Physeter macrocephalus) large group gathering together, rubbing together to shed skin, interacting and defecating. Indian Ocean, March.

Tony Wu / Sperm whale (Physeter macrocephalus) adult female at ocean surface, Indian Ocean, March.

Tony Wu / Family of Sperm whales (Physeter macrocephalus) engaged in social activity, rubbing against each other, Indian Ocean, March.

Tony Wu / Aggregation of Sperm whales (Physeter macrocephalus) engaged in social activity. Indian Ocean, March.

Franco Banfi / Pygmy blue whale (Balaenoptera musculus brevicauda) subspecies of blue whale, Mirissa, Sri Lanka, Indian Ocean. Endangered species.

Franco Banfi / Pygmy blue whale (Balaenoptera musculus brevicauda) subspecies of blue whale, diving downwards, Mirissa, Sri Lanka, Indian Ocean. Endangered species.

Franco Banfi / Pygmy blue whale (Balaenoptera musculus brevicauda) subspecies of blue whale, diving down, Mirissa, Sri Lanka, Indian Ocean. Endangered species.

Franco Banfi / Pygmy blue whale (Balaenoptera musculus brevicauda) subspecies of blue whale, Mirissa, Sri Lanka, Indian Ocean. Endangered species.

Franco Banfi / Pygmy blue whale (Balaenoptera musculus brevicauda) subspecies of blue whale, Mirissa, Sri Lanka, Indian Ocean. Endangered species.

Peter Waechtershaeuser / Changeable Hawk-Eagle (Spizaetus cirrhatus), Sri Lanka

Ammonite / Timelapse of the sun setting over woodland and metamorphic rock outcrop, Yala National Park, Sri Lanka, 2010.

Ammonite / Close-up of Sri Lankan elephant (Elephas maximus maximus) feeding, using foot and trunk to gather grass, Yala National Park, Sri Lanka.

Ammonite / Sri Lankan elephant (Elephas maximus maximus) feeding, using foot and trunk to gather grass, Yala National Park, Sri Lanka.

Ammonite / Close-up of Sri Lankan elephant (Elephas maximus maximus) feeding, using foot and trunk to gather grass, Yala National Park, Sri Lanka.

Ammonite / Water buffalo (Bubalus arnee) chasing Sri Lankan leopard (Panthera pardus kotiya) near a waterhole, footage taken at night using thermal camera technology, Yala National Park, Sri Lanka.

Ammonite / Family of Sri Lankan elephant (Elephas maximus maximus) drinking at waterhole, footage taken at night using thermal camera technology, showing cooling thermoregulatory properties of ears, Yala Nationa...

Mark Carwardine / Shark fins drying in the sun, Trincomalee, Sri Lanka

Michael D. Kern / Sri Lankan Bamboo Pitviper (Trimeresurus trigonocephalus) captive, from Sri Lanka

Michael D. Kern / Indian rose / Wandering violin mantis (Gongylus gongylodes) portrait, captive, from S Indian and Sri Lanka

Michael D. Kern / Ivory Ornamental Tarantulas (Poecilotheria subfusca) from Sri Lanka

Martin Dohrn / Wide panoramic night thermal camera shot of Asian elephants (Elephas maximus) and a herd of Spotted / Chital / Axis deer (Axis axis) in Yala National Park, Sri Lanka

Martin Dohrn / Starlight camera image in moonlight of Eurasian wild boar (Sus scrofa) feeding on carcass of Spotted deer stag (Axis axis) watched by Asian water buffalo (Bubalas bubalas) while the leopard (Panthera...

Martin Dohrn / Ammonite night filming crew on location for National Geographic Nighstalkers, Yala National Park, Sri Lanka, 2010. *THIS IMAGE CAN ONLY BE USED IF NATIONAL GEOGRAPHIC NIGHTSTALKERS IS REFERENCED*

Kevin Schafer / La Fayette's Junglefowl (Gallus lafayettii) in forest habitat. Sinharaja Reserve, Sri Lanka.

Fabio Liverani / Traditional fishermen of Weligama, seated on long poles, fishing with rods, Sri Lanka, June 2010

Ian Lockwood / Purple-Faced Langur (Trachypithecus vetulus) in a suburban evergreen forest environment. Endemic, Sri Lanka, Endangered species

Edwin Giesbers / Sri Lankan Leopard (Panthera pardus kotiya) soft focus running, captive.

Edwin Giesbers / Sri Lankan leopard (Panthera pardus kotiya) walking. captive

Andy Rouse / Asian elephant (Elaphus maximus) subadult and calf interacting, probably siblings, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) two young calves playing, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) two interacting, captive, Pinnawala Elephant Orphanage, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) in lake at sunrise, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) bathing in river, drinking, captive, Pinnawala Elephant Orphanage, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) portrait, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) two calves of different ages walking side by side, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) close up of trunk resting on tusk, captive, Pinnawala elephant orphanage, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) mother with trunk over baby, pulling it under her for safety, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) bathing, Minneria NP, Sri Lanka

Andy Rouse / Asian elephant (Elaphus maximus) young with female in herd, Minneria NP, Sri Lanka

Thomas Marent / Huay Mae Khamin Waterfall, Kheaun Sri Nakarin National Park, Thailand

Matthew Maran / Tufted grey langur {Semnopithecus priam thersites} group amongst the Pollunaruwa ruins, Sri Lanka

Toby Sinclair / Indian elephant head profile portrait {Elephas maximus} Ude Walawe NP, Sri Lanka

Rod Williams / Sloth bear {Melursus ursinus} female portrait. Captive. Sri Lanka.

Elio Della Ferrera / Montane purple faced langur {Presbytis senex monticola} dominant male. Sri Lanka. Endemic endangered species.

Elio Della Ferrera / Rainforest interior with ferns and pond Sinharaja FR, Sri Lanka

Elio Della Ferrera / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} sitting on arm of statue of Buddha. Sri Lanka

Flip Nicklin / Sunset over calm ocean, Sri Lanka

Flip Nicklin / Sperm Whale (Physeter macrocephalus), Sri Lanka

Flip Nicklin / Sperm Whale (Physeter macrocephalus), Sri Lanka

Flip Nicklin / Sperm Whale (Physeter macrocephalus) entangled in net, Sri Lanka

Mitsuaki Iwago / Slender Loris (Loris tardigradus) clinging to branch, Sri Lanka

Mark Moffett / Bakani (Elaeocarpus sp) flower pollinated by stingless bee, Sinharaja Biosphere Reserve, Sri Lanka

Flip Nicklin / Blue Whale (Balaenoptera musculus) swimming, Sri Lanka

Mitsuaki Iwago / Slender Loris (Loris tardigradus) in a tree with yellow flowers, Sri Lanka

Mark Moffett / Jumping Spider (Chrysilla sp) portrait, Sri Lanka

Mark Moffett / Golden Tortoise Beetle (Metriona bicolor), Sinharaja Biosphere Reserve, Sri Lanka

Mark Moffett / Golden Tortoise Beetle (Metriona bicolor), Sinharaja Biosphere Reserve, Sri Lanka

SIMON KING / Boy bathing young male Indian elephant. Sri Lanka

Elio Della Ferrera / Atlas moth {Attacus atlas} on nurse plant Sri Lanka

Elio Della Ferrera / Toadstools growing on fallen leaves Uduwattakele FR, Sri Lanka

Elio Della Ferrera / Rainforest interior with climbing plant around tree trunk, Uduwattakele FRWS, Sri Lanka

Elio Della Ferrera / Veiled fungus {Phallus sp} and {Michelia sp} fruit on leaf litter in tropical wet evergreen forest, Sri Lanka

SIMON KING / Young Indian Elephant inspecting bones of dead elephant. 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 Indo-Pacific bottlenose dolphins (Tursiops adunctus) swim above a coral reef. Sha'ab El Erg, Hurghada, Egypt. Red Sea.

Felis Images / Short fin mako shark (Isurus oxyrinchus) head discarded on ground, fins were dispatched for export and remaining meat cubed for sale locally. Negombo Fish Market, Sri Lanka. 2017. Photo Vydhehi Kadur/...

Felis Images / Rays (Mobulidae) caught as by-catch, in basket. For sale at Negombo Fish Market, Sri Lanka. 2017. Photo Vydhehi Kadur/Felis Images

Felis Images / Fisherman removing Shark (Elasmobranchii) pectoral fins. Negombo Fish Market, Sri Lanka. 2017. Photo Vydhehi Kadur/Felis Images

Tony Wu / Bryde's whale (Balaenoptera brydei) commencing dive. Sri Lanka.

Ernie Janes / Marsh crocodile (Crocodylus palustris) close up portrait, captive, occurs in Iran, Pakistan, Nepal, India and Sri Lanka.

Heather Angel / Grand balsam (Impatiens grandis) with long spur. Pollinated by butterflies, native to India and Sri Lanka. Focus stacked, cultivated plant.