Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) feeding from Clover (Trifolium) flowers, Monmouthshire, Wales, UK. June

Phil Savoie / Clover (Trifolium sp) flowers in unmown lawn, Monmouthshire, Wales, UK, June.

Phil Savoie / Clover (Trifolium sp) flowers in unmown lawn, Monmouthshire, Wales, UK, June.

Phil Savoie / Clover (Trifolium sp) flowers in unmown lawn, Monmouthshire, Wales, UK, June.

Phil Savoie / Buff tailed bumblebee (Bombus terrestris) flying to Clover (Trifolium sp.) in unmown meadow, Monmouthshire, Wales, UK. June.

Phil Savoie / Common carder bumblebee (Bombus pascuorum) flying to Clover (Trifolium) flowers, Monmouthshire, Wales, UK, June.

Phil Savoie / Common carder bumblebee (Bombus pascuorum) flying to Clover (Trifolium) flowers, Monmouthshire, Wales, UK, June.

Ernie Janes / Glory pea (Clianthus puniceus) 'Kaka King' in garden England, UK.

Ernie Janes / Blue Lupins and White Valarian flowering in the foreground in country garden with an abundance of plants and flowers. England, UK.

Ernie Janes / Blue Lupins and White Valarian flowering in the foreground in country garden with an abundance of plants and flowers. England, UK.

Ernie Janes / Gorse (Ulex europaeus) in flower on Salthouse Heath, Norfolk, England, UK, April.

Ernie Janes / Deadvlei with dead Camel thorn trees, Namib-Naukluft National Park, Namib Desert, Namibia

Ernie Janes / Runner bean (Phaseolus coccineus) seeds ready for planting. England, UK.

Ernie Janes / Runner bean (Phaseolus coccineus) seeds ready for planting. England, UK.

Ernie Janes / Runner bean (Phaseolus coccineus) seedling ready to be planted in garden. Norfolk, England, UK. May.

Ernie Janes / Runner bean (Phaseolus coccineus) seedling ready to be planted out in garden. Norfolk, England, UK. May.

Ernie Janes / Red Lupin 'My Castle' (Lupinus) with Blue Lupin 'The Governor' behind and Catmint (Nepeta) in garden. Norfolk, England, UK, May.

Ernie Janes / Red Lupin 'My Castle' (Lupinus) with Blue Lupin 'The Governor' behind and Catmint (Nepeta) in garden. Norfolk, England, UK, May.

Ernie Janes / Pea pod (Pisum sativum) ready to be harvested, on cream background. England, UK.

Ernie Janes / Pea pods (Pisum sativum) in field, ready to be harvested. England, UK.

Ernie Janes / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

Juan Carlos Munoz / Horrible broom (Echinospartum horridum) growing on mountainside, Anisclo Canyon, Ordesa y Monte Perdido National Park, Aragon, Spain, July.

Sue Daly / Red clover (Trifolium pratense) Alderney, British Channel Islands, May.

Michael Hutchinson / Jade vine (Strongylodon macrobotrys) growing in glasshouse, Kew Gardens, London, England, UK.

Michael Hutchinson / Jade vine (Strongylodon macrobotrys) growing in glasshouse, Kew Gardens, London, England, UK.

Michel Poinsignon / Goldenrod Crab Spider (Misumena vatia) with prey, capturing a Bumblebee (Bombus sp) on common sainfoin flower (Onobrychis viciifolia) , Ottange, Lorraine, France, june

Jack Dykinga / Flowers (Chamaecrista pilosa) in leafless forest with Hecho cactus (Pachycereus pecten-aboriginum) Sierra Alamos, Sonora, Mexico,

Jack Dykinga / Nesco (Willardia mexicana) flowering and Hecho cactus (Pachycereus pectin-aboriginum) Sierra Alamos, Sonora, Mexico.

Jack Dykinga / Nesco (Willardia mexicana) flowering and Hecho cactus (Pachycereus pectin-aboriginum) Sierra Alamos, Sonora, Mexico.

Mike Read / Long-tailed meadowlark (Sturnella loyca falklandica) male perched on Gorse (Ulex europaeus) Saunders Island, Falkland Islands, November.

Mike Read / Long-tailed meadowlark (Sturnella loyca falklandica) female perched on Gorse (Ulex europaeus) Saunders Island, Falkland Islands, November.

Adrian Davies / Ancient dead Camelthorn trees (Vachellia erioloba) and dry river bed, Sossusvlei, Namib Desert, Namibia

Phil Savoie / European honey bee (Apis mellifera) flying to White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Phil Savoie / White-tailed bumblebee (Bombus lucorum) queen flying to White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Phil Savoie / European honey bee (Apis mellifera) flying to White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Phil Savoie / White-tailed bumblebee (Bombus lucorum) flying to White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Phil Savoie / White tailed bumblebee (Bombus lucorum), flying to White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Phil Savoie / Red tailed bumblebee (Bombus lapidarius) queen feeding on White clover (Trifolium repens) flowers, Monmouthshire, Wales, UK. July.

Konstantin Mikhailov / Chesneya nubigena flowers, Mustang, Nepal, May

Ingo Arndt / Sunrise in the Masai Mara National Reserve, with Whistling Thorn (Acacia drepanolobium) tree in picture, Kenya

Ingo Arndt / Acacia tree at sunrise on savannah, Masai Mara Game Reserve, Kenya

Frederique Olivier / Close-up of an African bush elephant (Loxodonta africana) feeding, stripping vegetation from an Acacia tree with its trunk, Serengeti NP, Tanzania.

Frederique Olivier / African bush elephants (Loxodonta africana) feeding, stripping vegetation from an Acacia tree with its trunk, Serengeti NP, Tanzania.

Ann & Steve Toon / Mopane (Colophospermum mopane) leaves, fresh and dry, Kruger, South Africa.

Ann & Steve Toon / Siam rosewood tree poachers caught by anti-poaching patrol, Thap Lan national park, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 2014.

Ann & Steve Toon / Siam rosewood tree poachers caught by anti-poaching patrol, Thap Lan national park, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 2014.

Ann & Steve Toon / Siam rosewood tree poachers caught by anti-poaching patrol, Thap Lan national park, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 2014.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) confiscated from poachers, stored as evidence, Pang Sida National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Pang Sida ranger Wisak Thongseekram at evidence store containing Siam rosewood tree (Dalbergia cochinchinensis) confiscated from poachers, Pang Sida National Park, Dong Phayayen-Khao Yai Forest Comple...

Ann & Steve Toon / Pang Sida ranger Wisak Thongseekram at evidence store containing Siam rosewood tree (Dalbergia cochinchinensis) confiscated from poachers, Pang Sida National Park, Dong Phayayen-Khao Yai Forest Comple...

Ann & Steve Toon / Sayan Raksachart of Freeland Foundation, showing vehicle used by Siam rosewood tree poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 2014.

Ann & Steve Toon / Sayan Raksachart of Freeland Foundation, with confiscated outboard motors and chainsaws used by Siam rosewood tree poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thai...

Ann & Steve Toon / Sayan Raksachart of Freeland Foundation, with confiscated outboard motors and chainsaws used by Siam rosewood tree poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thai...

Ann & Steve Toon / Anti-poaching patrol, Thap Lan national park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 2014.

Ann & Steve Toon / Thap Lan rangers unloading Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 20...

Ann & Steve Toon / Thap Lan rangers unloading Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August, 201...

Ann & Steve Toon / Thap Lan assistant chief Pattarapol Sunhua with Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern...

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, marked for evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Thap Lan anti-poaching rangers with Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, A...

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) timber and motorcycle wheels, used by poachers to make carts for removing timber, stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Fore...

Ann & Steve Toon / Improvised cart used by poachers to remove Siam rosewood tree (Dalbergia cochinchinensis) timber stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, Au...

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis)timber confiscated from poachers, stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis)timber confiscated from poachers, stored as evidence, Pang Sida National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) timber and motorcycle wheels, confiscated from poachers, stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thail...

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) timber and motorcycle wheels, confiscated from poachers, stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thail...

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis) timber confiscated from poachers, stored as evidence, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Stump of Siam rosewood tree (Dalbergia cochinchinensis) felled by poachers, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis), Khao Yai National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis), Khao Yai National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Ann & Steve Toon / Siam rosewood tree (Dalbergia cochinchinensis), protected by fence and barbed wire, Thap Lan National Park, Dong Phayayen-Khao Yai Forest Complex, eastern Thailand, August.

Charlie Summers / Flat top acacia tree (Acacia abyssinica) damaged by elephants. Elephants get moisture by feeding on the bark.

Alex Hyde / View over lowland dipterocarp rainforest with huge Tualang / Mengaris tree (Koompassia excelsa) in foreground, Danum Valley, Sabah, Borneo, May 2011.

Alex Hyde / Tualang / Mengaris tree (Koompassia excelsa) in lowland dipterocarp rainforest, Danum Valley, Sabah, Borneo, May 2011.

Alex Hyde / View over lowland dipterocarp rainforest with huge Tualang / Mengaris tree (Koompassia excelsa) in the foreground, Danum Valley, Sabah, Borneo, May 2011.

Fabrice Cahez / Trefoil (Lotus corniculatus) flowers, Vosges, France, April.

Floris van Breugel / Field of Lupin (Lupinus sp) flowers in spring, overlooking the Columbia River Gorge, Columbia Hills State Park, Washington, USA, April 2014.

Ingo Arndt / Pea aphid (Acyrthosiphon pisum) giving birth (viviparous during the summer month), Germany.

Ingo Arndt / Pea aphid (Acyrthosiphon pisum) giving birth (viviparous during the summer month), Germany.

Jiri Lochman / Scarlet bean (Archidendron ramiflorum) flowers, Daintree River National Park, Wet Tropics of Queensland UNESCO Natural World Heritage Site, Queensland, Australia.

Jiri Lochman / Plant biodiversity on stabilized coastal dunes with Shark Bay Rose (Diplolaena grandiflora) and Sandhill Wattle (Acacia ligulata) in the foreground, Shark Bay UNESCO Natural World Heritage Site, Weste...

Jiri Lochman / Green Birdflower (Crotalaria cunninghamii), Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia.

Jiri Lochman / Sturt Desert pea (Swainsona formosa), Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia.

Jiri Lochman / Sturt Desert pea (Swainsona formosa) flowers, Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia.

Jiri Lochman / Sturt Desert pea (Swainsona formosa), Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia.

Jiri Lochman / Chorizema pea flower (Chorizema racemosum), Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia, Australia.

Russell Cooper / Essex Skipper (Thymelicus lineola) feeding from Bird's-foot-trefoil (Lotus corniculatus) Surrey, England, UK. July.

Paul Harcourt Davies / Mimosa tree (Mimosa sp) Umbria, Italy, February.

Paul Harcourt Davies / Spanish broom (Spartium junceum) flower, Podere Montecucco, Orvieto, Italy, June.

Paul Harcourt Davies / Mount Cenis Restharrow (Ononis cristata ssp apennina) Campo Imperatore, Abruzzo, Italy, June.

Nick Upton / Common gorse (Ulex europaeus) bushes flowering on moorland, Brecon Beacons National Park, near Libanus, Wales, UK, May 2015.

Nick Upton / Tree lucerne / Tagasaste (Cytisus proliferus), a Canaries endemic, flowering within a UNESCO Biosphere Reserve, near Tejeda, Gran Canaria, May.

Nick Upton / Tangier pea (Lathyrus tingitanus), a native species, flowering in one of the island's few surviving patches of laurel forest, Los Tilos de Moya, Doramas Rural Park, Gran Canaria UNESCO Biosphere Reser...

Nick Upton / Tangier pea (Lathyrus tingitanus), a native species, flowering in one of the island's few surviving patches of laurel forest, Los Tilos de Moya, Doramas Rural Park, Gran Canaria UNESCO Biosphere Reser...

Nick Upton / Flowering Gran Canaria broom (Teline microphylla) bushes covering mountain slope. Gran Canaria UNESCO Biosphere Reserve, Gran Canaria, Canary Islands. May 2016.

Nick Upton / Gran Canaria broom (Teline microphylla) bushes flowering within a UNESCO Biosphere Reserve, near Tejeda. Gran Canaria UNESCO Biosphere Reserve, Gran Canaria, Canary Islands. June.