Mark Raycroft / Beagle (Canis familiaris) puppy smelling tulip

Ernie Janes / Oyster Catcher (Haematopus ostralegus) in tulip (Tulipa) field, North Norfolk, May 2013

Paul Harcourt Davies,Paul Harcourt Davies / Yellow tulip (Tulipa australis) in flower, above Piano Grande, Sibillini, Appennines, Umbria, Italy, May 2011

Kerstin Hinze / Tulips (Tulipa) 'Synaeda Orange', cultivated, Schwerin, Germany

Kerstin Hinze / Tulips (Tulipa) cultivated, Schwerin, Germany

Kirkendall-Spring / Commercial Tulip field (Tulipa sp) in the Skagit Valley, Washington, USA, April 2010

Wild Wonders of Europe / Lilja / Rock tulip (Tulipa saxatilis) flower, Katharo ,Crete, Greece, April 2009

Wild Wonders of Europe / Lilja / Cyprus tulip (Tulipa cypria) flower, Akamas peninsula, Cyprus, April 2009 WWE BOOK, WWE INDOOR EXHIBITION

Wild Wonders of Europe / Lilja / Cyprus Tulip (Tulipa cypria) in flower, Akamas peninsula, Cyprus, April 2009

Wild Wonders of Europe / Lilja / Cyprus tulip (Tulipa cypria) in flower, Hisarky, Northern Cyprus, April 2009

Wild Wonders of Europe / Lilja / Two Tulip (Tulipa bakeri) flowers covered in raindrops, Omalos, Crete, Greece, April 2009

Wild Wonders of Europe / Lilja / Flowering Tulips (Tulipa bakeri) Omalos, Crete, Greece, April 2009

Wild Wonders of Europe / Lilja / Tulips (Tulipa bakeri) close-up of flowers, Omalos, Crete, Greece, April 2009

Wild Wonders of Europe / Lilja / Tulip (Tulipa bakeri) flower, Omalos, Crete, Greece, April 2009

Wild Wonders of Europe / Lilja / Rock tulip (Tulipa saxatilis) close-up of flower, Katharo, Crete, Greece, April 2009

Wild Wonders of Europe / Shpilenok / Wild tulip (Tulipa schrenkii) flower in frost, Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / Four rare yellow Bieberstein tulips (Tulipa biebersteiniana) in flower, Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / Wild tulips (Tulipa schrenkii) in flower, one white, the rest red, Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / Frost covered Wild tulips (Tulipa schrenkii) in flower, Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / Rare yellow Bieberstein tulips (Tulipa biebersteiniana) in flower, Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / A rare yellow Bieberstein tulip (Tulipa biebersteiniana) Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / Close-up inside Wild tulip (Tulipa schrenkii, ) Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Wild Wonders of Europe / Shpilenok / Frost covered Wild tulip (Tulipa schrenkii) Rostovsky Nature Reserve, Rostov Region, Russia, April 2009

Philippe Clement / Colourful tulips (Tulipa sp.) and Japanese cherry tree (Prunus serrulata) blossom in flower garden of Keukenhof, the Netherlands, April 2009

Kirkendall-Spring / Rows of different coloured cultivated Tulips {Tulipa genus} growing in Tulip Town, Skagit Valley, Washington, USA

LYNN M. STONE / Cultivated Tulip flower {Tulipa sp} USA.

Konrad Wothe / European Rabbit (Oryctolagus cuniculus) grooming itself among tulips, Germany

Nigel Cattlin / Potato aphid (Macrosiphum euphorbiae) infestation on Tulip (Tulipa sp) petal. Berkshire, England, UK. May.

Nigel Cattlin / Tulip (Tulipa sp) flower cross section with mature anthers and style, close up. Berkshire, England, UK. April.

Nigel Cattlin / Tulip (Tulipa sp) flower cross section with immature anthers and style, close up. Berkshire, England, UK. April.

Nigel Cattlin / Tulip (Tulipa sp) flower with red petals, cross section showing mature anthers and style. Berkshire, England, UK. April.

Nigel Cattlin / Tulip (Tulipa sp) flower with orange petals, cross section showing mature anthers and style. Berkshire, England, UK. April.

Nigel Cattlin / Tarda tulip (Tulipa tarda) flowers cultivated in garden.

Heather Angel / Scarab beetle (Scarabaeoidea) pair mating inside Tulip (Tulipa micheliana) flower. Beetles covered in pollen. Uzbekistan, April.

Heather Angel / Bumblebee scarab (Amphicoma vulpes) pair mating in Tulip (Tulipa armena) flower. Pollen picked up on beetles and transferred to other flowers. Near Karabel Pass, Turkey. May.

Ernie Janes / Tulips in flower with vignette, effect

Ernie Janes / Fringed Tulip 'Dallas' (Pink) and Tulipa 'Swan Wings' (White) and Tulipa 'Valery Gergiev' (red) growing in garden border. England, UK.

Ernie Janes / Spurge (Euphorbia characias subsp. wulfenii) in garden with Tulips (Tulipa) and urn, England, UK.

Ernie Janes / Cultivated tulips (Tulipa) red and purple flowered varieties in garden. England, UK.

Ernie Janes / Cultivated tulips (Tulipa) red and purple flowered varieties in garden. England, UK.

Ernie Janes / Cultivated garden tulips (Tulipa) with raindrops and Spurge (Euphorbia) in the background in garden. England, UK.

Ernie Janes / Cultivated tulips (Tulipa) with Apple blossom (Malus domestica) in background. April. England, UK.

Ernie Janes / Tulip 'Tequila Sunrise' (Tulipa Darwin Hybrid) growing in garden. England, UK.

Ernie Janes / Tulip 'Carnaval de Nice' growing in garden border. England, UK.

Michael Hutchinson / Flowering Tulips (Tulipa), with Kew Palace in the background, Kew Gardens, London, England, UK, April 2016.

Michael Hutchinson / Flowering Tulips (Tulipa), with Palm House in the background, Kew Gardens, London, England, UK, April 2016.

Michael Hutchinson / Palm House, with flowering Tulips (Tulipa) in the foreground, Kew Gardens, London, England, UK, April 2016.

Ingo Arndt / Mixed planting of Tulips {Tulipa sp} and Scillas {Scilla bifolia} Holland

Ingo Arndt / Tulip flower (cultivated variety) close-up of reproductive parts showing stamens, style and stigma

Paul Harcourt Davies / Yellow tulip (Tulipa australis) flowers above the Piano Grande, Sibillini, Appennines, Umbria, Italy, May.

Paul Harcourt Davies / Yellow tulip (Tulipa australis) flowers above the Piano Grande, Sibillini, Appennines, Umbria, Italy, May.

Paul Harcourt Davies / Yellow tulip (Tulipa australis) above Piano Grande, Sibillini, Appennines, Umbria, Italy, May.

Paul Harcourt Davies / Goulimyi's tulip (Tulipa goulimyi) Peloponneses , Greece, March.

Paul Harcourt Davies / Goulimyi's Tulip (Tulipa goulimyi) Peloponnese, Greece, March.

Jean E. Roche / Woodland tulip (Tulipa sylvestris) flowers, Alpilles, France.

Jean E. Roche / Woodland tulip (Tulipa sylvestris) flowers, Alpilles, France.

Jean E. Roche / Woodland tulip (Tulipa sylvestris) flowers, Alpilles, France.

Jean E. Roche / Woodland tulip (Tulipa sylvestris) and Crimean iris (Iris chamaeiris) flowers and Irises, Alpilles, France. April.

Ernie Janes / Tulips (Tulipa) and Euphorbia with garden seat, Norfolk, England, UK, April.

Ernie Janes / Cultivated Tulip (Tulipa) varieties in flower in garden with Box (Buxus) hedging in flower, Norfolk, England, UK.

Ernie Janes / Cultivated Tulip (Tulipa) varieties in flower in garden with Box (Buxus) hedging in flower, Norfolk, England, UK.

Ernie Janes / Tulip (Tulipa) varieties and Hyacinths (Hyacinthus) in flower in garden, Norfolk, England, UK, April.

Pascal Pittorino / Bunch of cultivated Tulips (Tulipa sp) Carqueiranne, Var, Provence, France, March.

Jan Vermeer / Tulip (Tulipa sp) flowers in pots

Jan Vermeer / Tulip (Tulipa sp) wreath in the snow

Kevin Schafer / Tulip (Tulipa sp) and Grape Hyacinth (Muscari sp) flowers, Skagit Valley, Washington

Kevin Schafer / Tulip (Tulipa sp) flowers, Skagit Valley, Washington

Wild Wonders of Europe / Bartocha / Southern tulip (Tulipa australis) on the Piano Grande, Monti Sibillini National Park, Italy, May.

Wild Wonders of Europe / Bartocha / Southern tulip (Tulipa australis) with dew, on the Piano Grande, Monti Sibillini National Park, Italy, May.

Robin Chittenden / Wild orange tulip (Tulipa orphanidea) in flower, Lesbos, Greece, May.

Robin Chittenden / Wild orange tulip (Tulipa orphanidea) in flower, Lesbos, Greece, May.

Ernie Janes / Tulips irrigated during dry spring weather. Swaffham, Norfolk, UK, April.

Ernie Janes / Tulips in flower, Swaffham, Norfolk, UK, April.

Ernie Janes / Deheading tulips for bulb market, Swaffham, Norfolk, UK, April 2014.

Ernie Janes / Tulips (Tulipa sp.) being irrigated during dry Spring weather. Swaffham, Norfolk, April 2014.

Ernie Janes / Tulips (Tulipa sp.) being irrigated during dry Spring weather. Swaffham, Norfolk, April 2014.

Ernie Janes / Tulips (Tulipa sp.) in flower, Swaffham, Norfolk, UK, April.

Ernie Janes / Tulips (Tulipa sp.) in flower, Swaffham, Norfolk, UK, April.

Pal Hermansen / Tulip (Tulipa) field in bloom with two men looking on, Texel, The Netherlands, May 2012.

Pal Hermansen / Tulip (Tulipa) field, with furrow containing flower from de-headed plants, Texel island, Holland, May.

Jan Vermeer / Tulip (Tulipa sp) and Grape Hyacinth (Muscari sp) flowers

Kirkendall-Spring / Tulip garden at RoozenGaarde in the Skagit Valley, Washington, USA. April.

Kirkendall-Spring / Tulip garden at RoozenGaarde in the Skagit Valley, Washington, USA. April.

Kirkendall-Spring / Tulips growing with Grape hyacnith at RoozenGaarde in the Skagit Valley, Washington, USA. April.

Kirkendall-Spring / Tulip garden at RoozenGaarde in the Skagit Valley, Washington, USA. April.

Kirkendall-Spring / Tulip field in the Skagit Valley near La Conner, Washington, USA. April

Kirkendall-Spring / Tulip garden at RoozenGaarde in the Skagit Valley, Washington, USA. April.

Ernie Janes / Oyster Catcher (Haematopus ostralegus) in tulip (Tulipa) field, North Norfolk, May 2013

Ernie Janes / Tulips (Tulipa) on farm, Swaffham, Norfolk

Ernie Janes / Tulips (Tulipa) being deheaded by machine Swaffham, Norfolk, May

Ernie Janes / Cultivated tulips (Tulipa sp) in flower, Swaffham, Norfolk, May

Ernie Janes / Variegated tulips (Tulipa sp) in flower, cultivated in field. Swaffham, Norfolk, May

Ernie Janes / Cultivated tulips (Tulipa sp) in flower, with blue fence. Swaffham, Norfolk, May

Ernie Janes / Cultivated tulips (Tulipa sp) in flower, Swaffham, Norfolk, May

Ernie Janes / Brown Hare (Lepus europaeus) running through Tulip (Tulipa) field, Swaffham, Norfolk

Ernie Janes / Brown Hare (Lepus europeaus) in tulip field, East Anglia, May