Ismaele Tortella / Three Rock ptarmigan (Lagopus muta) feeding in winter plumage, city of Tromso in the background, northern Norway, March 2019.

Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) male displaying on a lek in snow, Sublette County, Wyoming, USA. April.

Lynn M Stone / Free-range New Hampshire rooster, by corn pile in snow-covered field. Higganum, Connecticut, USA.

LYNN M. STONE / Red Dorking domestic chicken hen and cock {Gallus g domesticus} in snow, Iowa, USA.

LYNN M. STONE / Red Dorking domestic chicken cock and hen {Gallus gallus domesticus} in snow, Iowa, USA.

Ismaele Tortella / Rock ptarmigan (Lagopus muta) feeding in winter plumage, city of Tromso in the background, northern Norway, March 2019.

Mike Read / Rock ptarmigan (Lagopus mutus) droppings, Cairngorms National Park, Highland Region, Scotland, UK, May.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus muta) male standing in front of its boulder field habitat in the Cairngorms National Park, Scotland, UK, March.

David Woodfall / Ptarmigan (Lagopus mutus) male in snowfield, Cairngorms, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan, (Lagopus mutus) , wide view of winter plumage bird perched on rock, Cairngorms, Scotland, UK.February

Terry Whittaker / Ptarmigan (Lagopus muta) male in flight Langanes peninsula, northeast Iceland. May.

Terry Whittaker / Male Ptarmigan (Lagopus muta) , Langanes peninsula, northeast Iceland. May.

Terry Whittaker / Ptarmigan (Lagopus muta) male Langanes peninsula, northeast Iceland. May.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus muta) resting at the head of Strathspey, Cairngorms National Park, Scotland, UK. January.

David Woodfall / Ptarmigan (Lagopus mutus) female in snowfield, Cairngorms National Park, Scotland, England, UK, February.

Sergey Gorshkov / Rock ptarmigan (Lagopus muta) flying and calling, Taymyr Peninsula, Siberia, Russia . March

Sergey Gorshkov / Rock ptarmigan (Lagopus muta) flying and calling, Taymyr Peninsula, Siberia, Russia . March

Sergey Gorshkov / Rock ptarmigan (Lagopus muta) male on snow drift, Taymyr Peninsula, Siberia, Russia . March

Sergey Gorshkov / Rock ptarmigan (Lagopus muta) male in snow, Taymyr Peninsula, Siberia, Russia . March

Sergey Gorshkov / Rock ptarmigan (Lagopus muta) male taking off from snow, Taymyr Peninsula, Siberia, Russia . March

Markus Varesvuo / Ptarmigan (Lagopus mutus) male in winter plumage, flying in snow, Utsjoki, Finland, March.

Markus Varesvuo / Ptarmigan (Lagopus mutus) male in winter plumage, flying in snow, Utsjoki, Finland, March.

Markus Varesvuo / Ptarmigan (Lagopus mutus) male in winter plumage, flying in snow, Utsjoki, Finland, March.

Markus Varesvuo / Ptarmigan (Lagopus mutus) male in winter plumage in snow, Utsjoki, Finland, March.

Markus Varesvuo / Ptarmigan (Lagopus mutus) male in winter plumage in snowy habitat, Utsjoki, Finland, March.

Espen Bergersen / Rock ptarmigan (Lagopus muta) male. Tromso. Norway. June.

Espen Bergersen / Rock ptarmigan (Lagopus muta) male. Tromso. Norway. June.

Espen Bergersen / Rock ptarmigan (Lagopus muta) pair, Tromso. Norway. June.

Espen Bergersen / Svalbard rock ptarmigan (Lagopus muta hyperborea). Svalbard, Norway. April

Franco Banfi / Rock ptarmigan (Lagopus muta) female, Spitsbergen, Svalbard, Norway, Arctic Ocean

Franco Banfi / Rock ptarmigan (Lagopus muta) female, Spitsbergen, Svalbard, Norway, Arctic Ocean

Franco Banfi / Rock Ptarmigan (Lagopus muta) moulting feathers, Spitsbergen, Svalbard, Norway, Arctic Ocean

Melvin Grey / Ptarmigan (Lagopus muta) adult male and female, Cairngorms, Scotland. June.

Melvin Grey / Rock Ptarmigan (Lagopus muta) adult male in winter plumage, beginning summer moult, standing on rocks covered in orange lichen, Churchill, Manitoba, Canada. June.

Melvin Grey / Rock Ptarmigan (Lagopus muta) adult male in winter plumage, beginning summer moult, standing on rocks covered in orange lichen, Churchill, Manitoba, Canada. June.

Erlend Haarberg / Rock Ptarmigan (Lagopus muta) female next to boulders in winter plumage.Rapadalen, Sarek National Park, Laponia UNESCO World Heritage Site Swedish Lapland, Sweden. April.

Orsolya Haarberg / Ptarmigan (Lagopus muta), male resting in a snow hole. Sarek National Park, Laponia World Heritage Site, Swedish Lapland, Sweden. December 2016.

Orsolya Haarberg / Ptarmigan (Lagopus muta), male resting in a snow hole. Sarek National Park, Laponia World Heritage Site, Swedish Lapland, Sweden. December 2016.

Orsolya Haarberg / Ptarmigan (Lagopus muta), male resting in a snow hole. Sarek National Park, Laponia World Heritage Site, Swedish Lapland, Sweden.

Ingo Arndt / Rock ptarmigan (Lagopus muta) on winter snow, Spitsbergen, Svalbard, Norway, April

Ingo Arndt / Rock ptarmigan (Lagopus muta) on winter snow, Spitsbergen, Svalbard, Norway, April

Ingo Arndt / Rock ptarmigan (Lagopus muta) on winter snow, Spitsbergen, Svalbard, Norway, April

Andy Trowbridge / Rock Ptarmigan (Lagopus muta) female in summer plumage, sitting on rock. Bernese Alps, Switzerland. August.

Erlend Haarberg / Rock ptarmigan (Lagopus muta) moulting into summer plumage at Aurlandsfjorden. Aurland, Sogn og Fjordane, Norway, June 2012.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus muta) male on snowy mountainside, Cairngorms National Park, Scotland, UK, March.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus muta) male stretching its wings on a snowy ridge, Cairngorms National Park, Scotland, UK, March.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus muta) male on snowy ridge on Cairngorm mountain, Cairngorms National Park, Scotland, UK, March.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) pair standing on a snow covered boulder, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male at edge of semi frozen stream, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male jumping across semi frozen stream, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male sitting after slipping and landing on ice, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male walking across snow, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male standing amongst snow covered rocks, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) female camouflaged amongst snow covered boulders, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male well camouflaged amongst snow covered boulders, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) tracks running up through a boulder field, Cairngorms National Park, Scotland, UK, March 2017.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) female camouflaged in snow covered boulder field, Cairngorms National Park, Scotland, UK, March 2017.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male standing beside rock with view to Cairn Lochan and Coire an Lochan, Cairngorms National Park, Scotland, March 2017.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male standing on boulder in front of Cairn Lochan and Coire an lochan, Cairngorms National Park, Scotland, UK, March 2017.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male on boulder in front of Fiacaill Coire an t-Sneachda with hillwalkers on ridge, Cairngorms National Park, Scotland, UK, March 2017.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) pair in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) pair in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male with photographer in background, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in spring plumage on snow, Cairngorms National Park, Scotland, UK, April.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in spring plumage on snow, Cairngorms National Park, Scotland, UK, April.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) pair, female flapping wings with male standing beside her, Cairngorms National Park, Scotland, UK, April.

SCOTLAND: The Big Picture / Couple photographing Ptarmigan (Lagopus mutus) pair, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Person photographing Ptarmigan (Lagopus mutus) female amongst rocks,Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male standing on rock in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male sitting on rock in mountain landscape, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male on rock in mountain landscape, Cairngorms National Park, Scotland, UK, April.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male with person photographing in background, Cairngorms National Park, Scotland, UK, April 2016.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) female in spring plumage walking across snow, Cairngorms National Park, Scotland, UK, April.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) pair in mountainous habitat, Cairngorms National Park, Scotland, UK, September 2016.

Ole Jorgen Liodden / Svalbard ptarmigan (Lagopus muta hyperborea) in winter at Svalbard, Norway April.

Ole Jorgen Liodden / Svalbard ptarmigan (Lagopus muta hyperborea) in winter at Svalbard, Norway April.

Robin Chittenden / Ptarmigan (Lagopus muta) female, Iceland, August.

Markus Varesvuo / Ptarmigan (Lagopus mutus) camouflaged against rocks in summer plumage, Utsjoki Finland September

Markus Varesvuo / Ptarmigan (Lagopus mutus) camouflaged against rocks in summer plumage, Utsjoki Finland September

Markus Varesvuo / Ptarmigan (Lagopus mutus) flock camouflaged against rocks in summer plumage, Utsjoki Finland September

Markus Varesvuo / Ptarmigan (Lagopus muta) camouflaged against snow landscape, Utsjoki Finland April

Markus Varesvuo / Ptarmigan (Lagopus mutus) camouflaged against rocks in summer plumage, Utsjoki Finland September

Markus Varesvuo / Ptarmigan (Lagopus mutus) camouflaged against rocks in summer plumage, Utsjoki Finland September

Markus Varesvuo / Ptarmigan (Lagopus mutus) sitting on snow covered rock, Utsjoki Finland January

Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April

Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April

Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April

Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April. Highly commended in the Animals in their Environment Category of...

Jose B. Ruiz / Ptarmigan (Lagopus mutus) Finnmark, Norway, May.

Jose B. Ruiz / Ptarmigan (lagopus mutus) male, Gamvik, Finnmark, Norway, May.

Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) and fracking rig. Pinedale Mesa. Sublette County, Wyoming. March.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in winter plumage on snow covered rock, Cairngorms National Park, Scotland, UK, February.

SCOTLAND: The Big Picture / Ptarmigan (Lagopus mutus) male in winter plumage on snow covered mountain with mist in valley, Cairngorms National Park, Scotland, UK, February.

Patricio Robles Gil / Cloudforest tree canopy, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Bromeliad growing on tree trunk in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Flowering bromeliad growing on tree in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Bromeliads growing on tree branches in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Bromeliads growing on tree branches in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Silhouette of bromeliads growing on tree branches in cloudforest with moon in background, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Silhouette of bromeliads growing on tree branches in cloudforest with moon in background, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Tree fern frond unfurling in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Mafafa flower, Arum (Xanthosoma sp) El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Seeds and fruit on forest floor, seeds are adapted for wind dispersal, floating down from the canopy, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Patricio Robles Gil / Bromeliads growing on tree trunk in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Patricio Robles Gil / Ferns growing in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Patricio Robles Gil / Ferns growing in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Patricio Robles Gil / Ferns growing in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Patricio Robles Gil / Close up of vine tendril coiling round plant in cloudforest, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April

Patricio Robles Gil / Jack Dykinga and other photographers being transported to the El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, for the ILCP Rapid Assessment Visual Expedition (RAVE) April 2007

Patricio Robles Gil / Camouflaged Photographer, member of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Jack Dykinga photographing a tree fern in the El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, for the ILCP Rapid Assessment Visual Expedition (RAVE) April 2007

Patricio Robles Gil / Portrait of Jack Dykinga, photographer, member of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, Apri...

Patricio Robles Gil / Portrait of photographer Tom Mangelsen, member of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, Apri...

Patricio Robles Gil / Florian Schulz, Jack Dykinga, Tom Mangelsen and Fulvio Eccardi with other members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserve, Sierra M...

Patricio Robles Gil / Florian Schulz, Jack Dykinga, Tom Mangelsen and Fulvio Eccardi with other members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE) to El Triunfo Biosphere Reserve, Sierra...

Patricio Robles Gil / Nikon and Lowepro equipment of the photographers of the ILCP Rapid Assessment Visual Expedition (RAVE) to El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Tom Mangelsen, photographer, holging long lens, member of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE) to El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Me...

Patricio Robles Gil / Florian Schulz, photographer, member of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE) to El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Florian Shultz, Jack Dykinga, Patricio Robles Gil, Tom Mangelsen and Fulvio Eccardi with their Nikon and Lowepro equipment, members of the photographic team of the ILCP Rapid Assessment Visual Expedit...

Patricio Robles Gil / Florian Shultz, Jack Dykinga, Patricio Robles Gil, Tom Mangelsen and Fulvio Eccardi with their Nikon and Lowepro equipment, members of the photographic team of the ILCP Rapid Assessment Visual Expedit...

Patricio Robles Gil / Patricio Robles Gil, Tom Mangelsen, Florian Shulz and Fulvio Eccardi with their Nikon camera equipment, members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE) to El Tri...

Patricio Robles Gil / Patricio Robles Gil, Fulvio Eccardi, Tom Mangelsen, Jack Dykinga and Florian Shultz, members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserv...

Patricio Robles Gil / Patricio Robles Gil, Fulvio Eccardi, Tom Mangelsen, Jack Dykinga and Florian Shultz, members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserv...

Patricio Robles Gil / Tourists birdwatching in El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Tourists birdwatching in El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Sixteen mules were required to carry the equipment for the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico,...

Patricio Robles Gil / Girl in coffee plantation with flowering coffee bush in background, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Flowering coffee bush (Coffea sp), El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Man spreading coffee beans out to dry in the sun, coffee plantation, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Man spreading coffee beans out to dry in the sun, coffee plantation, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Man spreading coffee beans out to dry in the sun, coffee plantation, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Man holding coffee beans spread out to dry in the sun, coffee plantation, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Coffee beans spread out to dry in the sun, coffee plantation, El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Pine trunks prepared for transport. Deforestation is one of the greatest threats to the El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April 2007

Patricio Robles Gil / Press conference and presentation of results at Tuxtla Gutierrez Zoo, from the members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE) to El Triunfo Biosphere Reserve, S...

Patricio Robles Gil / Indoor accomodation and equipment of members of the photographic team of the ILCP Rapid Assessment Visual Expedition (RAVE), El Triunfo Biosphere Reserve, Sierra Madre del Sur, Chiapas, Mexico, April...

Patricio Robles Gil / Mountains of Sierra del Carmen tower 5,000 feet over the Chihuahuan Desert floor, Sierra Madre Range, Mexico

Kevin Schafer / Red and Green Macaw (Ara chloroptera) group at clay lick, Madre de Dios River, Peru

Shattil & Rozinski / Detail of algal mat on exposed soil, King Ranch, Laguna Madre, Texas, USA

John Cancalosi / Hecho Cactus (Pachycereus pectinaboriginum) and Sierra Madre Mountains, near Alamos, Sonora, Mexico

Tim Laman / Endemic plant (Monophyllaea merrilliana) with single leaf in rainforest. Sierra Madre National Park, Luzon, Phillipines. September.

Tim Laman / Beetle on leaf, Sierra Madre National Park, Luzon, Philippines

Tim Laman / Shingle Plant, a climbing epiphyte with leaves that shelter symbiotic ants (Dischidia sp) Sierra Madre National Park, Luzon, Philippines.

Tim Laman / Butterfly feeding on figs in rainforest, Sierra Madre National Park, Luzon, Phillipines. September

Jack Dykinga / Agave (Agave montana) and Madrone (Arbutus sp) at an altitude of 9200ft at the top of El Borrado in the Sierra Madre Oriental, Mexico

Tim Laman / Tropical butterfly on leaf, Sierra Madre National Park, Luzon, Philippines

Tim Laman / Shingle Plant, a climbing epiphyte with leaves that shelter symbiotic ants (Dischidia sp) Sierra Madre National Park, Luzon, Philippines.

Tim Laman / Waterfall in Sierra Madre National Park, Luzon, Phillipines, September 2001

Tim Laman / Endemic Fig tree (Ficus minahasa) with fruits growing beside a forest stream, Sierra Madre NP, Luzon, Philippines. Sept 2001.

Tim Laman / River turtle in rainforest stream, Sierra Madre National Park, Luzon, Philippines, September

Tim Laman / Spiny-backed Orb-weaver (Gasteracantha sp) spider in the rainforest, Sierra Madre National Park, Luzon, Philippines, September

Tim Laman / Jumping spider {Salticidae} in Sierra Madre National Park, Luzon, Philippines

Tim Laman / A snail in Sierra Madre National Park, Luzon, Philippines

Tim Laman / Greater musky fruit bat (Ptenochirus jagori) on fruiting fig tree, endemic, Sierra Madre National Park, Luzon, Phillipines. September

Tim Laman / Ant mimicing spider in Sierra Madre National Park, Luzon, Philippines. September

Tim Laman / Epiphytic Orchids flowering in rainforest canopy. Sierra Madre National Park, Luzon, Philippines, September

Tim Laman / Huntsman spider {Sparassidae} in the rainforest, Sierra Madre National Park, Luzon, Philippines

Tim Laman / Greater musky fruit bat (Ptenochirus jagori) feeding on fruiting fig tree, endemic, Sierra Madre National Park, Luzon, Phillipines. September

Jack Dykinga / Bromeliad (Hechtia sp) growing on a cliff edge in the valley beneath the Sierra Madre Oriental, Mexico, Central America

Thomas Marent / Blue-headed Parrot (Pionus menstruus) flock and Orange-cheeked Parrots (Pionopsitta barrabandi) feeding on minerals at clay lick, Madre de Dios River, Peru

Thomas Marent / Red and Green Macaw (Ara chloroptera) flock feeding on minerals at clay lick, Madre de Dios River, Peru

Patricio Robles Gil / Mountains of Sierra del Carmen in northern end of the Sierra Madre range, Mexico

Patricio Robles Gil / Mountains of Sierra del Carmen tower 5,000 over the desert floor and the Rio Grande, eastern Sierra Madre Range, Mexico

Patricio Robles Gil / Mountains of Sierra del Carmen tower 5,000 over the desert floor, eastern Sierra Madre Range, Mexico

Jack Dykinga / Agave (Agave montana) and Soyata tree (Nolina sp) in the mountain habitat of the Sierra Madre Oriental range, Tamaulipas, Mexico

Jack Dykinga / Sotol (Dasylirion sp) with emerging flowering stalk over-looking clouds, the Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Sotol (Dasylirion sp) in mountain habitat in the Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Agave (Agave lophantha) on rock face with red flowering Bouvardia sp, Sierra Madre Oriental, Mexico

Jack Dykinga / Fog in the Sierra Madre Oriental mountain range at sunrise, Tamaulipas, Mexico

Jack Dykinga / Close-up of Agave (Agave montana) with red thorns / spines and interesting patternation on blades, Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Close-up of Agave (Agave montana) with red thorns / spines and interesting patternation on blades, Madrone and Oak trees in background, Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Agave (Agave americana protoamericana) in a forest of Oak trees, Sierra Madre Oriental mountain range, Mexico

Jack Dykinga / Family with Ocelot pelt, nr Rio Cuchujaqui, Sierra Madre, Mexico

Jack Dykinga / Tangled exposed roots of Montezuma cypress trees {Taxodium mucronatum} lining the banks of River Cuchujaqui Sabinos, Sierra Madre foothills, Mexico

Patricio Robles Gil / Red and Green Macaw (Ara chloroptera) flying away from clay lick at Madre de Dios River, Manu National Park, Peru

Patricio Robles Gil / Red and Green Macaw (Ara chloroptera) flock feeding at clay lick at Madre de Dios River, Manu National Park, Peru

Patricio Robles Gil / Laguna Madre in the midst of sand dunes, Tamaulipas, Mexico

Shattil & Rozinski / Marbled godwits {Limosa fedoa} in water, Laguna Madre, Texas, USA

Pete Oxford / False water cobra {Xenodon severus} Madre de Dios, Peru

Pete Oxford / Poison arrow frog {Dendrobates trivittatus} Madre de Dios, Peru

Pete Oxford / Tourist canoe going along Madre de Dios river, Peru

Patricio Robles Gil / Sand dunes surrounding Laguna Madre, Tamaulipas, Mexico

Pete Oxford / Local family travelling in canoe down Madre de Dios river, Peru, South America

Pete Oxford / Saddleback tamarin in tree {Saguinus fuscicollis} Madre de Dios, Peru

Patricio Robles Gil / Aerial view of Tamaulipas coast, Laguna Madre, Gulf of Mexico, Mexico

Pete Oxford / Red howler monkey at clay lick {Alouatta seniculus} Madre de Dios, Peru

Pete Oxford / Emperor tamarin {Saguinus imperator} Madre de Dios, Peru

Pete Oxford / Emperor tamarin {Saguinus imperator} Madre de Dios, Peru

Pete Oxford / Red howler monkey at clay lick {Alouatta seniculus} Madre de Dios, Peru