Nate Chappell/ BIA / Savannah Hawk (Buteogallus meridionalis) juvenile flying, Pantanal, Brazil

Mark Hamblin / 2020VISION / View from Stac Polliadh with double rainbow and rain clouds over Cul Mor, Coigach, Highland, Scotland, November. Photographer quote: "Standing on a rain lashed and windswept mountain side all morning...

Suzi Eszterhas / Black-collared Hawk (Busarellus nigricollis) fishing, Pantanal, Brazil

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding, pollinating epiphytic orchid flower, cloud forest ecosystem, Costa Rica

Tui De Roy / Scarlet Macaw (Ara macao) flying in rainforest canopy, upper Tambopata River, Peruvian Amazon, Peru

David Pattyn / Sparkling Violet-ear (Colibri coruscans) hummingbird in flight, Mindo cloud forest ecosystem, Ecuador, July

David Fleetham / Painted frogfish (Antennarius pictus) with first dorsal spine and lure extended to attract prey. Dumaguete, Philippines.

Jeff Vanuga / Grizzly bear (Ursus arctos horribilis) emerging from den after hibernation. Grand Teton National Park, Wyoming, USA. April.

Jen Guyton / White-backed vultures (Gyps africanus) and spotted hyenas (Crocuta crocuta) squabble over the drying and deflated skin of an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas...

Enrique Lopez-Tapia / African forest elephant (Loxodonta africana cyclotis) Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.

Enrique Lopez-Tapia / African forest elephant (Loxodonta africana cyclotis) Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.

Enrique Lopez-Tapia / Forest elephant (Loxodonta africana cyclotis) Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.

Enrique Lopez-Tapia / Forest elephant (Loxodonta africana cyclotis) Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.

Thomas Marent / Hyacinth Macaw (Anodorhynchus hyacinthinus) flying, Pantanal, Mato Grosso, Brazil

Thomas Marent / Hyacinth Macaw (Anodorhynchus hyacinthinus) flying, Pantanal, Mato Grosso, Brazil

Murray Cooper / Snowy Egret (Egretta thula) and Great Egret (Ardea alba) flock in wetland, Amazon, Ecuador

Murray Cooper / Spangled Coquette (Lophornis stictolophus) male flying, Amazon, Ecuador

Cyril Ruoso / Black-collared Hawk (Busarellus nigricollis) flying, Pacaya Samiria National Park, Peru

Sean Crane / Wood Stork (Mycteria americana) flying, Pantanal, Brazil

Ann & Steve Toon / African elephants (Loxodonta africana) two bulls sparring at the waterhole in front of the lodge, Ol Donyo Wuas, Mbirikani Group Ranch, Amboseli-Tsavo ecosystem, Chyulu Hills, Kenya

Ann & Steve Toon / Confiscated poisoned arrows used in elephant poaching, Mbirikani group ranch, Chyulu Hills, Amboseli-Tsavo ecosystem, Kenya, October 2012

Ann & Steve Toon / Big Life ranger demonstrating poisoned arrow used in elephant poaching, Mbirikani group ranch, Chyulu Hills, Amboseli-Tsavo ecosystem, Kenya, October 2012

Ann & Steve Toon / Anti-poaching patrol supported by Save the Rhino International, Mbirikani Group Ranch, Amboseli-Tsavo ecosystem, Chyulu Hills, Kenya, Africa, October 2012

Luiz Claudio Marigo / Brazilian whiptail lizard (Cnemidophorus nativo) resting on leaves in the ecosystem Campo Nativo (Native Field) Vale Natural Reserve, municipality of Linhares, Espa­rito Santo State, Eastern Brazil.

Pete Oxford / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) sunbathing surrounded by butterflies sipping salts from the turtle's tears, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Spix's Disk-winged Bat (Thyroptera tricolor) flying showing discs on feet, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Octocopter used for canopy research, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Octocopter used for canopy research, Yasuni National Park, Amazon, Ecuador

Murray Cooper / Red-bellied Macaw (Ara manilata) pair flying, Amazon, Ecuador

Murray Cooper / Red-bellied Macaw (Ara manilata) trio flying, Amazon, Ecuador

Murray Cooper / Red-bellied Macaw (Ara manilata) group on snag, Amazon, Ecuador

Luciano Candisani / Black-collared Hawk (Busarellus nigricollis) flying, Pantanal, Brazil

Luciano Candisani / Hyacinth Macaw (Anodorhynchus hyacinthinus) flying, Pantanal, Brazil

Pete Oxford / Black-collared Hawk (Busarellus nigricollis) striking at fish, Pantanal, Brazil

Pete Oxford / Jabiru Stork (Jabiru mycteria) flying, Pantanal, Brazil

Pete Oxford / Wood Stork (Mycteria americana) flying, Pantanal, Brazil

Murray Cooper / Robber Fly (Asilidae) flying, Amazon, Ecuador

Murray Cooper / Tawny-bellied Hermit (Phaethornis syrmatophorus) hummingbird feeding on flower, multi-flash image

Luciano Candisani / Black skimmer (Rynchops niger) incubating eggs on ground nest, Pantanal, Brazil

Suzi Eszterhas / Roseate Spoonbill (Platalea ajaja) group flying, Pantanal, Brazil

Suzi Eszterhas / Ringed Kingfisher (Megaceryle torquata) hunting, Pantanal, Brazil

Suzi Eszterhas / Jabiru Stork (Jabiru mycteria) flying, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) hunting, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) hunting, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) hunting, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) hunting, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) fishing, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) flying, Pantanal, Brazil

Suzi Eszterhas / Great Black Hawk (Buteogallus urubitinga) hunting, Pantanal, Brazil

Suzi Eszterhas / Black-collared Hawk (Busarellus nigricollis) with fish prey, Pantanal, Brazil

Theo Allofs / Wood Stork (Mycteria americana) flying, Pantanal, Brazil

Theo Allofs / Jabiru Stork (Jabiru mycteria) carrying nest material, Pantanal, Brazil

Theo Allofs / Wood Stork (Mycteria americana) and Great Egret (Ardea alba) flock taking flight, Pantanal, Brazil

Ingo Arndt / Scarlet Macaw (Ara macao) portrait flying, Amazon Ecosystem, Peru

Ian Lockwood / High altitude grasslands / shola ecosystem (endangered habitat). Western Ghats, Kerala, India.

Michael & Patricia Fogden / Fork-tailed Emerald (Chlorostilbon canivetii) hummingbird feeding on Porterweed (Stachytarpheta sp) flowers, rainforest ecosystem, Costa Rica

Michael & Patricia Fogden / Fork-tailed Emerald (Chlorostilbon canivetii) hummingbird feeding on Porterweed (Stachytarpheta sp) flowers, rainforest ecosystem, Costa Rica

Konrad Wothe / Bats flying against starry night sky, Pantanal, Brazil

Pete Oxford / Velvet-purple Coronet (Boissonneaua jardini) hummingbird, feeding at flower while flying, cloud forest ecosystem, west slope of the Andes Mountains, Ecuador

Tui De Roy / Scarlet Macaw (Ara macao) flying in rainforest canopy, upper Tambopata River, Peruvian Amazon, Peru

Tui De Roy / Scarlet Macaw (Ara macao) flying in rainforest canopy, upper Tambopata River, Peruvian Amazon, Peru

Tui De Roy / Scarlet Macaw (Ara macao) flying in rainforest canopy, upper Tambopata River, Peruvian Amazon, Peru

Ian Lockwood / Shola ecosystem (endangered habitat). Palni hills, Western Ghats, Tamil Nadu, India.

Suzi Eszterhas / Blue and Yellow Macaw (Ara ararauna) flying, Amazon, Brazil

Glenn Bartley/ BIA / Black Skimmer (Rynchops niger), Pantanal, Brazil

Daniel J. Cox / Jabiru Stork (Jabiru mycteria) pair at sunset, Pixaim River, Pantanal, Brazil

Glenn Bartley/ BIA / Nacunda Nighthawk (Podager nacunda) flying, Pantanal, Brazil

Peter Waechtershaeuser/ BIA / Great Black Hawk (Buteogallus urubitinga) flying with lizard prey, Pantanal, Brazil

Enrique Lopez-Tapia / Forest elephant (Loxodonta africana cyclotis) Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.

Thomas Marent / Snowy Egret (Egretta thula) pair flying, Mamiraua Reserve, Amazon, Brazil

Thomas Marent / Great Egret (Ardea alba) pair flying, Mamiraua Reserve, Amazon, Brazil

Thomas Marent / American Darter (Anhinga anhinga) flying, Pantanal, Mato Grosso, Brazil

Thomas Marent / Southern Caracara (Caracara plancus) flying, Pantanal, Mato Grosso, Brazil

Thomas Marent / Hyacinth Macaw (Anodorhynchus hyacinthinus) pair flying, Pantanal, Mato Grosso, Brazil

Thomas Marent / Hyacinth Macaw (Anodorhynchus hyacinthinus) leaving nest cavity, Pantanal, Mato Grosso, Brazil

Murray Cooper / Cobalt-winged Parakeet (Brotogeris cyanoptera) flock at clay lick, Amazon, Ecuador

Murray Cooper / Dusky-headed Parakeet (Aratinga weddellii) and Mealy Parrot (Amazona farinosa) flock taking flight from clay lick, Amazon, Ecuador

Roland Seitre / Tasmanian devil (Sarcophilus harrisii) scavenging, with Devil facial tumour disease (DFTD) Tasmania.

Luciano Candisani / Jabiru Stork (Jabiru mycteria) landing, Pantanal, Brazil

Paul D Stewart / Sailing ship off Galapagos (Daphne Major island in background) and Giant Tortoise (Chelonoidis nigra), photo composite. The Galapagos were visited by Charles Darwin in his Beagle voyages and also by a...

Pete Oxford / Scientist Shawn McCracken flying his octocopter used for canopy research, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Octocopter used for canopy research, Yasuni National Park, Amazon, Ecuador

Murray Cooper / Spangled Coquette (Lophornis stictolophus) hummingbird male feeding on nectar, Amazon, Ecuador

Pete Oxford / Jabiru Stork (Jabiru mycteria) flying, Pantanal, Brazil

Konrad Wothe / Bats flying against starry night sky, Pantanal, Brazil

Konrad Wothe / Cattle Egret (Bubulcus ibis) flock flying, Pantanal, Brazil

Maxime Aliaga / Rainbow over Paramo ecosystem - with Antisanilla reserve, Antisana Volcano, Ecuador.