Juergen Freund / Paddy melon (Cucumis myriocarpus) growing in red sand dunes of the outback. It is a prostrate or climbing annual herb occurs in southern Africa and is a weed in Australia, South Australia, Australia

Mark Carwardine / Melon headed whale + calf bow riding {Peponocephala electra} Maldives

Christophe Courteau / Kalahari bushmen, women playing with melon, Central Kalahari Desert, Botswana, August 2008

Christophe Courteau / Kalahari bushmen, Qhaikgao with a desert melon harvested in the bush, Central Kalahari Desert , Botswana, August 2008

Jouan & Rius / Tsamma melon (Citrullus lanatus) growing on the sand dune, Kgalagadi Transfrontier Park, Kalahari desert, South Africa

Norbert Wu / Amazon River Dolphin (Inia geoffrensis) melon on forehead used for sonar, Pittsburg Aquarium

Juan Carlos Munoz / Watermelons for sale in Angkor. Siem Reap town, Siem Reap province. Cambodia.

Emanuele Biggi / Desert cricket (Acanthoplus discoidalis) walking amongst spines of Nara melon (Acanthosicyos horrida) plant in the Namib Desert. Sossusvlei, Namibia.

Constantinos Petrinos / Watermelon (Citrullus lanatus) Evia Island, Greece, July.

Constantinos Petrinos / Watermelon (Citrullus lanatus) Evia Island, Greece, July.

Constantinos Petrinos / Watermelon (Citrullus lanatus) Evia Island, Greece, July.

Constantinos Petrinos / Watermelon (Citrullus lanatus) Evia Island, Greece, July.

Constantinos Petrinos / Watermelon (Citrullus lanatus) Evia Island, Greece, July.

Constantinos Petrinos / Watermelon (Citrullus lanatus) Evia Island, Greece, July.

Francois Savigny / Field of Tsamma / water melons {Citrullus lanatus} growing in the Namib desert after the flood of 1997, Sossusvlei, Namibia

Francois Savigny / Field of Tsamma / water melons {Citrullus lanatus} growing in the Namib desert after the flood of 1997, Sossusvlei, Namibia

Nick Upton / Canary wild melon / Canary bryony (Bryonia verrucosa) fruits. Gran Canaria UNESCO Biosphere Reserve, Gran Canaria, Canary Islands.June.

Alex Mustard / Rich coral growth, with a pair of Exquiste butterflyfish (Chaetodon austriacus), flourishes beneath the barren desert cliffs in the Red Sea. Taken at sunset. Ras Katy, Sinai, Egypt. Gulf of Aqaba, Red...

Nick Upton / Watermelon (Citrullus lanatus) cultivated plant growing in field, Kos, Greece, August 2013.

Niall Benvie / Water melon (Citrullus lanatus var. lanatus) cross section backlit.

Alex Mustard / Exquiste butterflyfish (Chaetodon austriacus) swimming over coral looking for polyps to feed on. Ras Katy, Sharm El Sheikh, Sinai, Egypt. Red Sea.

Ann & Steve Toon / Ground squirrel (Xerus inauris) eating Tsamma melon, Kgalagadi Transfrontier Park, South Africa, non-ex. Non-ex.

Eric Baccega / Naro San woman picking a Tsamma melon (Citrullus lanatus), a fruit with a high moisture and mineral content. Kalahari, Ghanzi region, Botswana, Africa. Dry season, October 2014.

Eric Baccega / Portrait of Naro San woman wearing traditional clothing and headband, balancing gourd on head, Kalahari, Ghanzi region, Botswana, Africa. October 2014.

Yumiko Wakisaka / Melon-headed Whale (Peponocephala electra)

Laurent Geslin / Striped ground squirrel {Xerus erythropus} feeding on desert melon, Namibia.

Juergen Freund / Paddy melon (Cucumis myriocarpus) growing in red sand dunes of the outback. It is a prostrate or climbing annual herb native to southern Africa and is a weed in Australia, South Australia, Australia

Stephen Dalton / Fruit fly (Drosophila melanogaster) just taken off from melon, controlled conditions.

Mark Carwardine / Watching Melon headed whales, Maldives {Peponocephala electra}

Mark Carwardine / Three Melon headed whales surfacing {Peponocephala electra} Maldives

Mark Carwardine / Group of Melon headed whales surfacing, Maldives {Peponocephala electra}

Mark Carwardine / Melon headed whale surfacing {Peponocephala electra} Maldives

Mark Carwardine / Watching Melon headed whales, Maldives {Peponocephala electra}

Jean E. Roche / Aerial view of men working on horticultural land in the Camargue, growing Melons for the commerical market, Arles, Southern France, September 2008

Jean E. Roche / Aerial view of men working on horticultural land in the Camargue, growing Melons for the commerical market, Arles, Southern France, September 2008

Pete Oxford / Turk's Cap cactus (Melocactus macracanthos) Slagbaai National Park, Bonaire, Netherlands Antilles, Caribbean

Nature Production / Melon (Cucumis melo) fruit developing, Japan, sequence 3/4

Nature Production / Melon (Cucumis melo) fruit developing, Japan, sequence 2/4

Nature Production / Melon (Cucumis melo) fruit developing, Japan, sequence 4/4

Nature Production / Melon (Cucumis melo) fruit developing, Japan, sequence 1/4

Christophe Courteau / Kalahari bushmen, woman playing with melon, Central Kalahari Desert, Botswana, August 2008

Christophe Courteau / Kalahari bushmen, woman playing with melon, Central Kalahari Desert, Botswana, August 2008

Gary K. Smith / Homegrown greenhouse Cucumbers (Cucumis sp.), Norfolk, UK, July.

Kim Taylor / Wild water melon (Citrullus lanatus) in the northern Namib Desert

Jouan & Rius / Gemsbok cucumbers (Cucumis africanus) on sand, Kgalagadi Transfrontier Park, Kalahari desert, South Africa

Gary K. Smith / Home grown greenhouse Cucumbers, 'femspot' variety {Cucumis sp} in rustic trug on greenhouse staging, Norfolk, UK, June

Gary K. Smith / Home grown greenhouse Cucumbers, 'femspot' variety {Cucumis sp} in rustic trug on greenhouse staging, Norfolk, UK, June

Jouan & Rius / Desert chameleon (Chamaeleo namaquensis) on desert melon, Namib desert, Namibia

Jouan & Rius / Young Tsamma melon (Citrullus lanatus) growing between cracks on dried out lake after the rainy season, Namib desert, Namibia

Jouan & Rius / Woman on a sand dune holding a Tsamma melon (Citrullus lanatus) that has been partially eaten by an animal, Namib Naukluft NP, Namib desert, Namibia

Pete Oxford / Oryx (Oryx gazella) feeding on Namib melon for its water content, Sossusvlei, Namibia, Africa

Tim Laman / Pod of Melon-headed Whales (Peponocephala electra) Nuku Hiva Island, Marquesas Islands, French Polynesia

Richard Du Toit / Tsamma / water melons {Citrullus lanatus} growing in the Kalahari Gemsbok NP, South Africa

Richard Du Toit / Tsamma / water melons {Citrullus lanatus} growing in the Kalahari Gemsbok NP, South Africa

Juergen Freund / Desert melons {Citrullus colocynthis} growing beside Shark Bay side road, Western Australia

Jose B. Ruiz / Harvested Cucmber {Cucumis sp.} with Eggplant / Aubergine {Solanum melongena} Spain

Claudio Velasquez / Nara melon fruit {Acanthosicyos horridus} on sand dunes, Namibia

Nature Production / Close up of hairs on surface of Cucumber skin {Cucumis sativus} Japan

Michael Hutchinson / Vervet monkey (Chlorocebus / Cercopithecus aethiops) eating melon raided from bin, Kenya

Michael Hutchinson / Vervet monkey (Chlorocebus / Cercopithecus aethiops) holding piece of melon raided from bin, Kenya

Michael Hutchinson / Vervet monkey (Chlorocebus / Cercopithecus aethiops) eating melon raided from bin, Kenya

Claudio Velasquez / Two Carpenter ants {Camponotus sp} fighting on Nara melon fruit, Namibia, Southern Africa

Philippe Clement / The tsamma melon (Citrullus lanatus) is the main water source for many animals during the dry season, Kgalagadi NP, Kalahari desert, South Africa

Philippe Clement / The tsamma melon (Citrullus lanatus) is the main water source for many animals during the dry season, Kgalagadi NP, Kalahari desert, South Africa

Luiz Claudio Marigo / Melon cactus {Melocactus sp} of caatinga habitat, Bahia, NE Brazil

Doug Perrine / Pod of Melon headed whales {Peponocephala electra} Pacific

Doug Perrine / Swimmer strokes Melon headed whale calf {Peponocephala electra} Hawaii, USA.

Doug Perrine / Pod of Melon headed whales {Peponocephala electra} Pacific

Doug Perrine / Pod of Melon headed whales at surface {Peponocephala electra} Polynesia, Pacific

Doug Perrine / Melon headed whale calf (2 month-old) {Peponocephala electra} Hawaii

Todd Pusser / Pod of Melon headed whales {Peponocephala electra} surfacing, Gulf of Mexico.

Michael & Patricia Fogden / Gemsbok (Oryx gazella) feeding on Tsama Melons, Sossusvlei, Namibia

Rod Williams / Market stalls selling fruit in the Market place, Thaxted, Essex, UK

Pete Oxford / Caatinga habitat with Pope's head / Melon cactus {Melocactus sp} NE Brazil

Doug Perrine / Pod of Melon headed whales underwater {Peponocephala electra} Marquesas Islands, (Non-ex).

Doug Perrine / Pod of Melon headed whales {Peponocephala electra} Layang Layang Atoll, Borneo, Malaysia (Non-ex).

Pete Oxford / Gemsbok eating Namib melon {Oryx gazella gazella} Sossusvlei, Namibia

Pete Oxford / Gemsbok feeding on wild melon {Oryx gazella gazella} in desert Sossusvlei, Namibia

Tony Heald / Cape ground squirrel feeding on melon, Kalahari Gemsbok NP, South Africa

Martin Camm / Carwardine / Illustration of Melon-headed Whale / Little Killer Whale / Many-Toothed Blackfish / Electra Dolphin (Peponocephala electra), Delphinidae (Wildlife Art Company).

Martin Camm / Carwardine / Illustration of Melon-headed whale (Peponocephala electra) breach and dive sequence in profile (Wildlife Art Company).

Daniel Heuclin / Coyote gourd (Cucurbita foetidissima) growing in dry ground, near San Simon, Arizona, USA. May.

Daniel Heuclin / Coyote gourd (Cucurbita foetidissima) growing in dry ground, near San Simon, Arizona, USA. May.

Daniel Heuclin / Coyote gourd (Cucurbita foetidissima) growing in dry ground, near San Simon, Arizona, USA. May.

Jean E. Roche / Polytunnels for growing melon (Cucumis melo). Camargue, Provence-Alpes-Cotes-d'Azur, France. March.

Chris Mattison / Springtails (Collembola) swarming over a piece of melon.

Doug Perrine / Melon-headed whales (Peponocephala electra) North Kona, Hawaii.

Alex Mustard / Exquiste butterflyfish (Chaetodon austriacus) swims over fire coral (Millepora sp.) on a coral reef. Marsa El Shouna, Marsa Alam, Egypt. Red Sea.

Jeff Foott / Coyote melon (Cucurbita cordata) fruits with bite marks. Catavina, Valle de los Cirios Reserve, Baja California, Mexico.

Jeff Foott / Coyote melon (Cucurbita cordata) fruits on vine growing across sand. Catavina, Valle de los Cirios Reserve, Baja California, Mexico.

Jeff Foott / Coyote melon (Cucurbita cordata) fruits amongst flowering Desert sand verbena (Abronia villosa). Catavina, Valle de los Cirios Reserve, Baja California, Mexico.

Jeff Foott / Coyote melon (Cucurbita cordata) flower. Baja California, Mexico.

Sylvain Cordier / Market stalls at side of road with tomatoes, onions and watermelons for sale. Debre Libanos market, Rift Valley, Ethiopia. 2017.

Rebecca Robinson / Carwardine / Melon-headed whale (Peponocephala electra) Dive sequence - slow swimming and fast swimming No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a sin...

Rebecca Robinson / Carwardine / Melon-headed whale (Peponocephala electra) Breaching No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a single project or book edition, except by...

Martin Camm / Carwardine / Melon-headed whale (Peponocephala electra) adult male No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a single project or book edition, except b...