Marie Read / Red-winged Blackbird (Agelaius phoenicus) male singing from snow-covered red maple (Acer rubrum) in flower, Ithaca, New York, USA. April 2020.

Staffan Widstrand / Jungle cat (Felis chaus) at night, Kanha National Park and Tiger Reserve, Madhya Pradesh, India

Fabio Pupin / Red swamp crayfish (Procambarus clarcki), invasive species, captive, Italy, July.

Eric Baccega / Shoebill stork (Balaeniceps rex) in the swamps of Mabamba, Lake Victoria, Uganda, February.

Sven Zacek / Bog surrounding river in morning light. Emajoe Suursoo Nature Reserve, Tartumaa, Estonia. October 2015.

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

George Sanker / Purple gallinule (Porphyrula martinica) in mangrove swamp. Everglades National Park, Florida, USA. March.

George Sanker / Barred owl (Strix varia) stretching wings, Corkscrew Swamp Audubon Sanctuary, Florida, USA, March.

Cheryl-Samantha Owen / African elephant (Loxodonta africana) calf covered in mud, Engong Narok swamp, Amboseli National Park, Kenya.

Mark MacEwen / Snares island crested penguin (Eudyptes robustus) colony in forest, Snares Island, New Zealand.

Marie Read / Flock of White ibis (Eudocimus albus) in breeding plumage, at rookery on water's edge of the mangrove-covered island, Tampa Bay, Florida, USA, March

Denis-Huot / Herd of Angolan giraffes (Giraffa camelopardalis angolensis) and Burchell's zebras (Equus quagga) aerial view, Okavango delta, Bostwana

Tim Laman / Twelve wired Bird of Paradise (Seleucidis melanoleuca) male displaying to a female at his display pole in the swamp rain forest at Nimbokrang, Papau, Indonesia, Island of New Guinea. Winner, Special A...

Tim Laman / Twelve wired Bird of Paradise (Seleucidis melanoleuca) male at display perch in the swamp rain forest at Nimbokrang, Papua, Indonesia, Island of New Guinea. Winner, Special Award Portfolio, Wildlife P...

Enrique Lopez-Tapia / Men on a wooden boat who use smooth-coated otters (Lutra perspicillata) for traditional fishing practices, the Sundarbans National Park, the largest mangrove swamp in the world. Bangladesh. UNESCO Wo...

Jack Dykinga / Cypress dome swamp with water surface covered with water-spangles and duckweed, Big Cypress Seminole Indian Reservation, Florida Everglades, USA

Christophe Courteau / Whale headed / Shoebill stork (Balaeniceps rex) catching a Lungfish (Protoperus sp) in the swamps of Mabamba, Lake Victoria, Uganda / Bec en sabot, dipneuste, Lac Victoria, Ouganda

Christophe Courteau / Whale headed / Shoebill stork (Balaeniceps rex) in flight over the swamps of Mabamba, Lake Victoria, Uganda / Bec en sabot, Lac Victoria, Ouganda

Pete Oxford / Bald cypress trees (Taxodium distichum) The Orianne Indigo Snake Preserve, Telfair County, Georgia, USA

Pete Oxford / American alligator (Alligator mississippiensis) half submerged, Okefenokee National Wildlife Refuge, Florida, USA

Konrad Wothe / Estuarine / Saltwater crocodile (Crocodylus porosus) amongst mangrove roots, Daintree National Park, Queensland, Australia, October

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) male walking on the mudflats of a mangrove swamp revealed at low tide. Bako National Park, Sarawak, Borneo, Malaysia, March.

Anup Shah / Proboscis monkey (Nasalis larvatus) male walking across the mudflats of a mangrove swamp revealed at low tide with the sea in the background, Bako National Park, Sarawak, Borneo, Malaysia, March

Inaki Relanzon / Aerial view of the mangroves around Betsiboka River. Majunga, north-west Madagascar, Africa, October 2008.

Ben Osborne / Aerial view of African elephants (Loxodonta africana)moving through wetland in the Okavango delta, Northern Botswana, taken on location for BBC Planet Earth series, October 2005

Juergen Freund / Soft coral (Alcyonacea) in the shallow mangroves with diver, split level. North Raja Ampat, West Papua, Indonesia, February 2010

Jouan & Rius / Palm leaves (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Jouan & Rius / Palm trees (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Jouan & Rius / View up through Palm trees in swamp forest, Borneo, Sarawak, Malaysia

Jouan & Rius / Reflections in swamp forest, Gunung Mulu NP, Borneo, Sarawak, Malaysia

Barrie Britton / Scarlet ibis (Eudocimus ruber) in flight, Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Tim Laman / Dog walking along bridge walkway, and homes in Waifoy Village, Mayalibit Bay, Waigeo Island, West Papua, Indonesia, April 2007

Matthew Maran / Shadow of trained Indian elephant (Elephas maximus) carrying wildlife watchers, in green pool of water, with Barasingha / Swamp deer (Cervus duvaucel) Kaziranga National Park, Assam, India, November 2...

Matthew Maran / Portrait of Barasingha / Swamp deer (Cervus duvauceli) stag, lying at water's edge, with reflections, Kaziranga National Park, Assam, India

Bernard Castelein / Barasingha / Swamp Deer (Cervus duvauceli), females, Kaziranga NP, Assam, India, vulnerable species

Matthew Maran / Indian rhinoceros {Rhinoceros unicornis} with Mynahs {Acridotheres sp} perched along its back, Kaziranga NP, Asam, India

Wild Wonders of Europe / Smit / Wild boar (Sus scrofa) in light morning mist feeding on swamp plants during low water tide in flood plains of the Danube, Gornje Podunavlje Special Nature Reserve, Serbia, June 2009

Wild Wonders of Europe / Smit / Rear view of two Wild boars (Sus scrofa) crossing swamp, Gornje Podunavlje Special Nature Reserve, Serbia, June 2009

Floris van Breugel / Ferns, mosses and blooming azaleas in marshes, Sapsucker Woods, Ithaca, New York, USA. May. Veolia Environnement Wildlife Photographer of the Year 2009 - Highly Commended in the 'In Praise of Plants'...

Tim Laman / Adult male Twelve-wired Bird of Paradise (Seleucidis melanoleuca) on his display pole in the swamp forest along the Karawari River, East Sepik Province, Papua New Guinea.

Tim Laman / Adult male Twelve-wired Bird of Paradise (Seleucidis melanoleuca) on display pole in swamp forest along the Karawari River, East Sepik Province, Papua New Guinea.

Nick Garbutt / Giant snakehead / Toman (Channa micropeltes)Found in freshwater / flooded swamp areas. From SE Asia including Borneo. Captive, Singapore Zoo

Jouan & Rius / Paperbark gum trees (Melaleuca sp) growing along Yellow Water, South Alligator River floodplain, Kakadu National Park, Northern Territory, Australia

Tim Laman / Scarlet ibis (Eudocimus ruber) and Snowy egret {Egretta thula} flying out from their mangrove roosting trees before sunrise in the Caroni Swamp, Caroni Bird Sanctuary, Trinidad.

Jack Dykinga / The cliffs at Swamp Point casting shadows accross vegetation in Grand Canyon National Park, Arizona

Kirkendall-Spring / Cypress {Cupressaceae} and Tupelo Gum Trees {Nyssa aquatica} growing in the Audubon Swamp Gardens, Magnolia Plantation Gardens, South Carolina, USA

Kirkendall-Spring / Algae covered swamp with ornamental birds and bridge, Magnolia Plantation Gardens, South Carolina, USA

Doug Perrine / American alligator {Alligator mississippiensis} Florida, USA.