Mark Hamblin / 2020VISION / Harestail cotton-grass (Eriophorum vaginatum) growing on bog moorland, Scotland, UK, May. Did you know? Cottongrass was formerly used to stuff pillows and as dressings for wounds.

John Cancalosi / Pyrite (FeS2, iron sulfide), known as 'Fool's Gold'. Formerly used in the production of sulfuric acid. Sample from Concepcion de Oro, Zacatecas State, Mexico.

Doug Perrine / Researcher Guy Stevens photographs belly spot identification pattern of Reef manta ray (Manta alfredi formerly Manta birostris) feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, Oc...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) barrel roll filter feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) chain-feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) vortex / cyclone feeding on plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton among Silverside fish that are also feeding on the plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Ind...

Inaki Relanzon / Buddhist monk collecting money and food, Bago, Myanmar, (formerly Burma). August 2009

Jabruson / Grass fire started by poachers in the dry season, in attempt to drive wildlife out for them to hunt, Rwindi plains, Virunga NP, Democratic Republic of Congo (formerly Zaire)

Jabruson / Lava explodes from active volcano, Kimanura eruption, Virunga NP, Democratic Republic of Congo (formerly Zaire)

Jabruson / Gaboon viper (Bitis gabonica) eating mouse. Epulu Ituri, DR Congo (formerly Zaire), Central Africa

Jabruson / Bambuti pygmy boy with net made from plant fibres. Epulu Ituri Reserve, DR Congo (formerly Zaire)

Jabruson / Bambuti pygmy prepares bark cloth using elephant tusk hammer. Epulu Ituri reserve, DR Congo (formerly Zaire)

Jabruson / Bambuti pygmy face painting with charcoal and plant juices. Epulu Ituri reserve, DR Congo (formerly Zaire).

Jabruson / Bambuti pygmies felling forest tree. Epulu Ituri reserve, DR Congo (formerly Zaire).

Jabruson / Mountain gorilla head portrait, Virunga NP, DR Congo (formerly Zaire)

Jabruson / Mountain gorilla portrait, silverback (Gorilla g. beringei). Virunga NP, Republic Congo (formerly Zaire, Central Africa

Jabruson / African palm civet. in tree. Epulu Ituri rainforest Reserve, DR Congo (formerly Zaire), Central Africa

Jabruson / African palm civet (Nandinia binotata). Ituri reserve, Epulu, DR Congo (formerly Zaire), Central Africa

Jabruson / Goliath beetle on hand, Epulu Ituri reserve, DR Congo (formerly Zaire)

Jabruson / Silverback mature male Mountain Gorilla, Virunga NP, DR Congo (formerly Zaire) resting midday siesta

Jabruson / Mount Stanley, Ruwenzori mountains ('Mountains of the Moon'), Virunga, Rep of Congo (formerly Zaire), Central Africa

Jabruson / Kimanura eruption. Virunga NP, Rep of Congo (formerly Zaire), Central Africa

Jabruson / Mountain gorilla (Gorilla g. beringei) being filmed in the wild. DR Congo (formerly Zaire), Central Africa

Jabruson / Mountain gorilla (Gorilla g. beringei) being filmed in the wild. DR Congo (formerly Zaire) Central Africa

Jabruson / Mountain gorilla inspects film camera, DR Congo (formerly Zaire), Central Africa

Jabruson / Okapi feeding, Epulu Ituri Rainforest Reserve, DR of Congo (formerly Zaire)

Jabruson / African buffalo with Yellow billed oxpecker. DR of Congo (formerly Zaire) Odzala NP

Mark Carwardine / Aerial view of deforested hills, formerly tropical rainforest, on the east coast of Madagascar, October 2008

Mark Carwardine / General view towards Vietnamese border, Preah Monivong Bokor National Park, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / View towards Vietnamese border, Preah Monivong Bokor National Park, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Confiscated Chainsaws used by poachers to collect illegal timber, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Ranger with confiscated snares in front of confiscated timber, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Mist over rainforest canopy, Preah Monivong Bokor National Park, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guards on anti-poaching patrol at night, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guards on anti-poaching patrol at night, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol in Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol drinking water from stream, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol crossing river, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol using GPS to navigate, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol sitting on hammock set up for overnight camp, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Barrier across road in Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Ex-poachers preparing seedlings in tree nursery, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Michael W. Richards / Sloth bear (Melursus ursinus) formerly a dancing bear, used for tourists, now rescued and playing with a keeper, India, 2005

Michael W. Richards / Sloth bear (Melursus ursinus) formerly a dancing bear, used for tourists, now rescued and playing with a keeper, India, 2005

Bryan and Cherry Alexander / Zodiac returning to the Ukrainian Antarctic Research Station Vernadsky (formerly Faraday) on Galindez Island, Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Ukrainian Antarctic Research Station Vernadsky, (formerly Faraday) on Galindez Island, Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Zodiac returning to the Ukrainian Antarctic Research Station Vernadsky(formerly Faraday) on Galindez Island, Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Signpost at the Ukrainian Antarctic Research Station Vernadsky (formerly Faraday) on Galindez Island. Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Ukrainian Antarctic Research Station Vernadsky, (formerly Faraday) on Galindez Island, Argentine Islands, Antarctica, February 2009.

Bryan and Cherry Alexander / Ukrainian Antarctic Research Station Vernadsky, (formerly Faraday) with glaciers beyond. Graham Land, Antarctica, February 2009.

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) filter feeding on plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Photographer Thomas Peschak photographing Reef manta ray (Manta alfredi formerly Manta birostris) at cleaning station, Manta Point, Lankan, North Male Atoll, Maldives, Indian Ocean, November 2010

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Researcher Guy Stevens photographs belly spot identification pattern of Reef manta ray (Manta alfredi formerly Manta birostris) at cleaning station on coral reef, Manta Point, Lankan, North Male Atoll...

Doug Perrine / close up of gills of Reef manta ray (Manta alfredi formerly Manta birostris) feeding, with open gill slits showing gill plates through which plankton is filtered (and which also draw oxygen from the w...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) feeding on plankton at surface, Kihaadufaru Reef, with Dhonfanu Island in background, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, Octob...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) with shark bite out of pectoral fin, among group feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) with cephalic fins rolled up, being cleaned by Moon wrasses (Thalassoma lunare) and Blue-streak cleaner wrasses (Labroides dimidiatus) Hanifaru...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) being cleaned by Moon wrasses (Thalassoma lunare) and Blue-streak cleaner wrasses (Labroides dimidiatus) at mouth of Hanifaru Bay, Hanifaru Lago...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) swimming over cleaning station on patch reef with Yellow / Golden sweepers (Parapriacanthus ransonetti) and other schooling fish, Hanifaru Bay e...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) being cleaned by Moon wrasses (Thalassoma lunare) and Blue-streak cleaner wrasses (Labroides dimidiatus) Hanifaru Bay entrance, Hanifaru Lagoon,...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) with gills puffed out for cleaning initial phase by Two-tone wrasses (Thalassoma amblycephalum) and other wrasses, with Giant anemone (Heteracti...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) being cleaned by Moon wrasses (Thalassoma lunare), initial phase Two-tone wrasses (Thalassoma amblycephalum) and Blue-streak cleaner wrasses (...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) being cleaned by Moon wrasses (Thalassoma lunare) with cleaner fish inside open mouth, Sunshine Thila, Lankan, North Male Atoll, Maldives, India...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) barrel roll filter feeding on plankton, accompanied by juvenile Golden pilot jacks (Gnathanodon speciosus), Hanifaru Bay, Baa Atoll, Maldives, I...

Doug Perrine / Diver photographing Reef manta rays (Manta alfredi formerly Manta birostris) at reef cleaning station with cleaner wrasse at mouth of Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean,...

Doug Perrine / Reef manta rays(Manta alfredi formerly Manta birostris) filter feeding on plankton, with tourist snorkeling and diving down to touch a ray, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian O...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton, with tourist snorkeling and diving down to touch a ray, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton, with tourist snorkeling in background and trying to touch a ray, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives...

Doug Perrine / (Manta alfredi formerly Manta birostris) filter feeding on plankton, one with a lot of white dorsal pigmentation, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton, with snorkelers and scuba divers in background, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, O...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton among school of Fusilier fish (Caesionidae), Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, Octob...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) filter feeding on plankton among Silverside fish that are also feeding on the plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indi...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton among Silverside fish that are also feeding on the plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Ind...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) chain filter feeding on plankton, swimming over school of Fusilier fish (Caesionidae) Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, India...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) chain filter feeding on plankton among Silverside fish in feeding aggregation, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean...

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) chain-feeding on plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October, Digitally enhanced image.

John Cancalosi / Pyrite (FeS2) (Iron sulfide) from Peru. Popularly known as fool's gold - Formerly used in the production of sulfuric acid.

Inaki Relanzon / Close up of a Buddhist statue, Bago, Northeast Yangun, (before Rangun), Myanmar, (formerly Burma) August 2009

Inaki Relanzon / People at prayer in a Buddist temple. Pagoda view in Bago, Northeast Yangun, (formerly Rangun), Myanmar, (before Burma).

Inaki Relanzon / Disused railway in Yangun (formerly Rangun), Myanmar / Burma, August 2009

Inaki Relanzon / Pagoda, Paya in Yangun (formerly Rangun), Myanmar / Burma, August 2009

Inaki Relanzon / Yangon, (formerly Rangun) in Myanmar / Burma, August 2009

Rod Williams / Northern White-faced Owl (Ptilopsis leucotis) Formerly White-faced scops owl, captive, from Africa

Gary K. Smith / Blakeney Point Visitor Centre, formerly the Lifeboat House, Norfolk, UK, December 2008

Gary K. Smith / Blakeney Point Visitor Centre, formerly the Lifeboat House, Norfolk, UK, December 2008

Bruno D'Amicis / Black-headed gulls (Larus melanocephalus) flying above the Oberbaumbrücke in Berlin. The bridge connects the formerly divided East and West Berlin and represents a symbol of the German history. Berli...

Nick Garbutt / 'Dead Leaf' Leaf-tailed Gecko (Uroplatus phantasticus / formerly Uroplatus ebenaui). Mantadia National Park, Eastern Madagascar.

Albert Lleal / Common Sea Urchin (Paracentrotus lividus) SEM close-up of the exoskeleton at 42x magnification showing protuberances where spines were formerly attached and orifices where the animal's feet once exten...

Juergen Freund / Dried and shrunken Sea cucumber {Bohadschia graeffei} formerly 1-2 feet long, Sulawesi, Indonesia

Juergen Freund / Dried and shrunken Sea cucumbers {Bohadschia graeffei} formerly 1-2 feet long, Sulawesi, Indonesia

Pete Oxford / Nazca booby (formerly Masked booby) on nest with chick {Sula dactylatra granti} Tower / Genovesa Is, Galapagos

John Waters / Large Blue Butterfly {Phengaris arion}, adult pair mating. Species formerly extinct but successfully re-introduced, Somerset, UK.

John Waters / Large Blue Butterfly {Phengaris arion} feeding on flowers of host plant Thyme {Thymus drucei}. Species formerly extinct but successfully re-introduced, Somerset, UK.