Alex Mustard / Dugong (Dugong dugon) male and juvenile Golden trevally (Gnathanodon speciosus) swimming over Seagrass (Halophila stipulacea) meadow. Marsa Nabaa, Marsa Alam, Egypt.

Alex Mustard / Green turtle (Chelonia mydas) resting on sea floor and two juvenile Golden trevally (Gnathanodon speciosus). Marsa El Shouna, Marsa Alam, Egypt.

Guy Edwardes / Field of flowering Poppies (Papaver rhoeas) at sunrise, Val d'Orcia, Tuscany, Italy. May 2019.

John Shaw / Abandoned house in middle of a wheat field. Palouse farming area, south eastern Washington, USA, August.

Jack Dykinga / Massive wildflower display Lanceleaf monolopia 1+Monolopia lanceolata+2 Great Valley phacelia 1+Phacelia civiliata+2 and purple Lemmon's mustard 1+Caulanthus anceps+2 The Temblor Range in evening...

Dave Bevan / Large white (Pieris brassicae) caterpillars eating Broccoli (Brassica oleracea) leaves, with Small white (Pieris rapae) caterpillars, Carmarthenshire, Wales, UK. September.

Cyril Ruoso / Oilseed rape (Brassica napus) fields in flower, Burgundy, France, May.

Alex Hyde / Orange tip butterfly egg (Anthocharis cardamines) on Cuckoo flower / Lady's smock (Cardamine pratensis). Peak DIstrict National Park, Derbyshire, UK. May.

Simon Colmer / Green-veined White butterfly egg (Pieris napi) above, Orange-tip butterfly egg (Anthocharis cardamines) below, on Garlic mustard (Alliaria petiolata) Sussex, UK. June.

Nick Upton / Pollen and nectar flower mix strip with Mustard (Brassicaceae), Common sainfoin (Onobrychis viciifolia) and Red clover (Trifolium pratense) bordering a Barley crop (Hordeum vulgare), Marlborough Downs...

Gary K. Smith / Marsh harrier (Circus aeruginosus) adult female circling over Oilseed rape crop, Norfolk, England, May. Digital composite.

Alex Mustard / Portrait of a spotted sunfish (Lepomis punctatus) in front of reeds in a river. Rainbow River, Florida, United States of America.

Paul Harcourt Davies / Floral colour in fields on the Piano Grande from Poppies (Papaver rhoeas), Cornflowers (Centaurea), Mustard (Brassica) and Mayweed (Anthemis), Umbria, Italy, June

Alex Mustard / Diver swimming through dense school of Silversides (Atherinidae) inside a coral cavern, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea. Model released

Alex Mustard / Mirrorwing flying fish (Hirundichthys speculiger) mirrored and swimming beneath the surface at night, between Bahamas and Gulf Stream, West Atlantic Ocean, Florida, USA.

Alex Mustard / Portrait of a domestic pig (Sus domestica) sitting in the sea. Exuma Cays, Bahamas. Tropical West Atlantic Ocean. This family of pigs live on this beach in the Bahamas and enjoy swimming in the sea.

Alex Mustard / Split level view of a domestic pig (Sus domestica) bathing in the sea. Exuma Cays, Bahamas. Tropical West Atlantic Ocean. This family of pigs live on this beach in the Bahamas and enjoy swimming in t...

Alex Mustard / split level view of a domestic pig (Sus domestica) bathing in the sea. Exuma Cays, Bahamas. Tropical West Atlantic Ocean. This family of pigs live on this beach in the Bahamas and enjoy swimming in t...

Alex Mustard / Two Atlantic spotted dolphins (Stenella frontalis) over a shallow sand bank. On the left is a juvenile which does not have the characteristic spots of the adults. The adult is carrying a piece of weed...

Alex Mustard / Giant Pacific Manta Ray (Manta birostris) portrait with Remora fish (Echeneididae) Roca Partida, Revillagigedos Islands, Mexico. East Pacific Ocean. February

Alex Mustard / Domestic pig (Sus scrofa domestica) paddling in the sea. Exuma Cays, Bahamas. Tropical West Atlantic Ocean. This family of pigs live on this beach in the Bahamas and enjoy swimming in the sea. Not ava...

Alex Mustard / A domestic pig (Sus scrofa domestica) swimming in the sea. Exuma Cays, Bahamas. Tropical West Atlantic Ocean. This family of pigs live on this beach in the Bahamas and enjoy swimming in the sea.

Nigel Cattlin / Thrift (Armeria maritima) and Sea kale (Crambe maritima) on shingle, Chesil Beach, Dorset, England, UK. May.

Nigel Cattlin / Sea kale (Crambe maritima) on shingle. Chesil Beach, Dorset, England, UK. May.

Nigel Cattlin / Sea kale (Crambe maritima) on gravel. Chesil Beach, Dorset, England, UK. May.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on Brassica stem. Berkshire, England, UK. June.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on Brassica stem. Berkshire, England, UK. June.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on secondary host plant Hedge mustard (Alliaria petiolata). Berkshire, England, UK. June.

Nigel Cattlin / Hairy bittercress (Cardamine hirsuta) leaf rosette with pinnate leaves, growing as garden weed. Berkshire, England, UK. May.

Nigel Cattlin / Hairy bittercress (Cardamine hirsuta) growing as garden weed. Berkshire, England, UK. May.

Nigel Cattlin / Cabbage (Brassica sp) with feeding damage caused by Wood pigeon (Columba palumbus). Berkshire, England, UK. April.

Nigel Cattlin / Flea beetle (Phyllotreta sp) and feeding damage on Lilacflower (Aubrieta sp). Cultivated in garden, Berkshire, England, UK. April.

Nigel Cattlin / Flea beetle (Phyllotreta nigripes) feeding damage to leaves of Sweet alyssum (Lobularia maritima). Berkshire, England, UK. August.

Nigel Cattlin / Flea beetle (Phyllotreta nigripes) feeding damage to leaves of Sweet alyssum (Lobularia maritima). Berkshire, England, UK. August.

Nigel Cattlin / Single small white (Pieris rapae) caterpillar on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Large cabbage white (Pieris brassicae) caterpillars feeding on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Large cabbage white (Pieris brassicae) caterpillars on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Flea beetle (Phyllotreta sp) feeding damage to Sweet alyssum (Alyssum maritimum) leaves. Berkshire, England, UK. July.

Nigel Cattlin / Common wintercress (Barbarea vulgaris) in field margin. Berkshire, England, UK. May.

Nigel Cattlin / Common wintercress (Barbarea vulgaris). Berkshire, England, UK. May.

Nigel Cattlin / Cabbage (Brassica oleracea) plants damaged, stripped and pecked by Wood pigeon and other birds in vegetable garden. Berkshire, England, UK. May.

Ann & Steve Toon / Heliophila sp, flowers, Namaqua National Park, Northern Cape, South Africa.

Ann & Steve Toon / Blue flax (Heliophila coronopifolia), Namaqualand, Northern Cape, South Africa

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) feeding on Wallflower (Erysimum sp.) pollen. At 4.5 mm average size, this is one of the smallest bees in the UK, Monmouthshire Wales UK, April

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum), feeding on Wallflower (Erysimum sp.) Monmouthshire, Wales, UK. April

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum), feeding on Wallflower (Erysimum sp.) Monmouthshire, Wales, UK. April

Heather Angel / Common bee fly (Bombylius major) hovering whilst nectaring on Honesty (Lunaria annua), proboscis covered with pollen. Nature reserve, Surrey, England, UK. March.

Juan Carlos Munoz / Patchwork of agricultural fields including Oilseed rape (Brassica napus) with hills in background, high angle view. Cuestahedo, Merindad de Montija, Burgos, Castile and Leon, Spain. June 2019.

Nigel Cattlin / Brassica pod midge (Dasineura brassicae) larvae infestation in open Oilseed rape (Brassica napus napus) seed pod. England, UK.

Nigel Cattlin / Cabbage root fly (Delia radicum) larva with frass in damaged Oilseed rape (Brassica napus napus) root.

Nigel Cattlin / Flea beetle (Phyllotreta sp) feeding damage on Oilseed rape (Brassica napus napus) leaf.

Nigel Cattlin / Clubroot (Plasmodiophora brassicae) diseased and distorted Cabbage (Brassica oleracea) root.

Nigel Cattlin / Cabbage whitefly (Aleyrodes proletella) eggs in circular patterns on a Cabbage (Brassica sp) leaf. Photomicrograph.

Nigel Cattlin / Brassica pod midge (Dasineura brassicae) larvae infestation in Oilseed rape (Brassica napus napus) seed pod.

Nigel Cattlin / Rape winter stem weevil (Ceutorhynchus picitarsis) larvae in damaged Oilseed rape (Brassica napus napus) stem.

Ernie Janes / Annual honesty (Lunaria annua) garden plant.

Nigel Cattlin / Cabbage root fly (Delia radicum) larvae with frass in damaged Oilseed rape (Brassica napus napus) root.

Nigel Cattlin / Clubroot (Plasmodiophora brassicae) distorted root of a Cabbage (Brassica oleracea). England, UK.

Nigel Cattlin / Honey bee (Apis mellifera) hives in flowering Oilseed rape (Brassica napus napus) field, for honey production and improved pollination. England, UK. May.

Nigel Cattlin / Downy mildew (Peronospora parasitica) mycelium and lesion on underside of Oilseed rape (Brassica napus napus) leaf.

Nigel Cattlin / Cabbage (Brassica oleracea) crop wilted due to Clubroot (Plasmodiophora brassicae) allotment soil infection. England, UK.

Nigel Cattlin / Cabbage root fly (Delia radicum) larvae with frass in damaged Oilseed rape (Brassica napus napus) root.

Nigel Cattlin / Large white / Cabbage white butterfly (Pieris brassicae) caterpillars, first instar, newly hatched from eggs. On Cabbage (Brassica oleracea) leaf.

Nigel Cattlin / Diamondback moth (Plutella xylostella) caterpillars, pests of crucifers, feeding on damaged Cabbage (Brassica oleracea) leaf.

Nick Upton / Yellow dung fly (Scathophaga stercoraria) grooming on a Yellow rocket (Barbarea vulgaris) flowerhead, Wiltshire, England, UK, May.

Nick Upton / Yellow dung fly (Scathophaga stercoraria) grooming on a Yellow rocket (Barbarea vulgaris) flowerhead before taking off, Wiltshire, England, UK, May.

Will Watson / Fodder radish (Raphanus sativa var. oleiformis), growing in field of game cover crop, Herefordshire Plateau, England, UK. September.

Bruno D'Amicis / Kitaibel's bittercress (Cardamine kitaibeli) leaves in old-growth Beech (Fagus sylvatica) forest. Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO Wor...

Ernie Janes / Honesty (Lunaria annua) seed pods.

Ernie Janes / Honesty (Lunaria annua) seed pods.

Ernie Janes / Chinese Lanterns (Physalis alkekengi), Hydrangea flowers, Poplar leaves (Populus) and Honesty skeletons (Lunaria annua), silhouettes on white background.

Alex Mustard / Bottlenose dolphin (Tursiops aduncus) mother baby swimming over a coral reef. Sha'ab El Erg, Hurghada, Egypt. Red Sea.

Robert Thompson / Orange-tip butterfly (Anthocharis cardamines), male on Cuckooflower (Cardamine pratensis). Brackagh Moss National Nature Reserve, Portadown, County Armagh, Northern Ireland, UK. May.

Robert Thompson / Orange-tip butterfly (Anthocharis cardamines), male on Cuckooflower (Cardamine pratensis). Brackagh Moss National Nature Reserve, Portadown, County Armagh, Northern Ireland, UK. May.

Steve Downer / Tracking shot through a field of Oil seed rape (Brassica napus) flowers, Birmingham, England, UK, May.

Steve Downer / Tracking shot through a field of Oilseed rape (Brassica napus) flowers, Birmingham, England, UK, May.

Steve Downer / Field of Oil seed rape (Brassica napus) flowers moving in the wind, Birmingham, England, UK, May.

Steve Downer / Field of Oil seed rape (Brassica napus) flowers moving in the wind, Birmingham, England, UK, May.

Loic Poidevin / Honesty (Lunaria annua) in forest, Foret d'Olonne, Vendee, Pays-de-la-Loire, France. April.

Nick Upton / Common scurvygrass (Cochlearia officinalis) flowering on coastal cliff, Cornwall, UK, May.

Nick Upton / Common scurvygrass (Cochlearia officinalis) flowering on coastal cliff, Cornwall, UK, May.

Merryn Thomas / Mustard plant in flower among coastal vegetation, Le Raguenes Plage with Isle Raguenes, Nevez, France. June 2015.

Fabrice Cahez / Wavy bittercress flowers (Cardamine flexuosa) Vosges, France, April.

Ernie Janes / Chinese lanterns (Physalis alkekengi) skeletons and Honesty seed pods (Lunaria annua)

Will Watson / Watercress (Rorippa nasturtium-aquaticum) in flower, Westhope Common, Herefordshire, UK, May.

Ernie Janes / Ornamental Kale 'Nagoya white' in garden border.

Ernie Janes / Ornamental Kale 'Nagoya Red' in garden border

Alex Mustard / Atlantic spotted dolphin (Stenella frontalis) mother and young swimming over a shallow, sandy seabed. The adults are spotted and the younsters are plain coloured. Great Bahama Bank, North Bimini, Baha...

Dong Lei / Wild flowers (Cardamine tangutorum) Balang Mountain, Wolong National Nature Reserve, Sichuan Giant Panda Sanctuaries - Wolong, Mt Siguniang and Jiajin Mountains UNESCO World Heritage Site, Sichuan Pr...

Ernie Janes / Wallflowers (Erysimum) 'Bowles's Mauve' and Spurge (Euphorbia characias subsp. characias) 'Humpty Dumpty' in flower in garden. England, UK.

Ernie Janes / Red campion (Silene dioica) and Cow parsely (Anthriscus sylvestris) growing at edge of Oilseed rape (Brassica napus) crop field. England, UK.

Lorraine Bennery / Orange tip butterfly (Anthocharis cardamines) female resting on Cuckooflower (Cardamine pratensis), Essonne, France, May.