Wild Wonders of Europe / Widstrand / Greek land / Spur thighed tortoise (Testudo graeca) head portrait, Lake Kerkini, Macedonia, Greece, May 2009 WWE BOOK

Wild Wonders of Europe / Widstrand / Greek tortoise (Testudo graeca ibera) portrait, Lake Kerkini, Macedonia, Greece, May 2009

Wild Wonders of Europe / Widstrand / Greek land tortoise (Testudo graeca ibera) head portrait, Lake Kerkini, Macedonia, Greece, May 2009

George McCarthy / Spur thighed tortoise portrait {Testudo graeca} Island of Lesbos, Greece

Jose B. Ruiz / Male spur thighed tortoise on sand dune (Testudo graeca) Alicante, Spain.

Bernard Castelein / Spur-winged lapwing (Vanellus spinosus) taking off, spur visible on wing edge. Allahein River, Gambia.

Pedro Narra / Greek tortoise (Testudo graeca) Petra, Jordan.

Doug Gimesy / Platypus (Ornithorhynchus anatinus) male, close up of venomous spur of taxidermied animal. Belgrave, Victoria, Australia. Digitally enhanced image.

Heather Angel / Grand balsam (Impatiens grandis) with long spur. Pollinated by butterflies, native to India and Sri Lanka. Focus stacked, cultivated plant.

Heather Angel / Congo cockatoo (Impatiens niamniamensis) flower, backlit with nectar level visible in spur. Cultivated in glasshouse. Native to Africa.

Heather Angel / Common toadflax (Linaria vulgaris), orange nectar guides on lower lip and long spur containing nectar. Surrey, England, UK. Focus stacked.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) group sleeping on granite rock spur at night. Anja Community Reserve, Madagascar.

Marc Dando / Illustration of Spiny dogfish (Squalus acanthias) lateral view of female. Images 1626307 - 1626310 show variation in skin patterns in this species.

Marc Dando / Illustration of Spiny dogfish (Squalus acanthias) lateral view of female. Images 1626307 - 1626310 show variation in skin patterns in this species.

Marc Dando / Illustration of Spiny dogfish (Squalus acanthias) lateral view of female. Images 1626307 - 1626310 show variation in skin patterns in this species.

Marc Dando / Illustration of Spiny dogfish (Squalus acanthias) lateral view of female. Images 1626307 - 1626310 show variation in skin patterns in this species.

Rod Williams / Female black spur-winged goose (Plectopterus gambensis niger), Barn Elms WWT, captive. Occurs in wetlands of Sub-Saharan Africa.

Doug Gimesy / Researcher examining the spur of a platypus (Ornithorhynchus anatinus) that was captured as part of a Melbourne Water study into their distribution. Spurs can help a researchers age a male platypus. W...

Doug Gimesy / Researcher examining the spur of a Platypus (Ornithorhynchus anatinus) that was captured as part of a Melbourne Water study into their distribution. Spurs can help a researchers age a male platypus. W...

Doug Gimesy / Rear left ankle of a male platypus (Ornithorhynchus anatinus) held by a researcher showing venomous spur. Dartmouth, Victoria, Australia. May 2018.

Doug Gimesy / Rear left ankle of a male Platypus (Ornithorhynchus anatinus) showing venomous spur and ticks (Ixodes ornithothynchi). Dartmouth, Victoria, Australia. May 2018.

Doug Gimesy / Rear left ankle of a male Platypus (Ornithorhynchus anatinus) showing venomous spur. Healsville, Victoria, Australia. Collected about 15 minutes earlier as part of formal population monitoring researc...

Sandesh Kadur / Spur-winged goose (Plectropterus gambensis) in flight. Okavango Delta, Botswana.

Ernie Janes / Delphinium 'Bolero' in fore ground and Delphinium Cha cha in behind

Bernard Castelein / Spur-winged lapwing (Vanellus spinosus), Gambia.

Bernard Castelein / Spur-winged lapwing (Vanellus spinosus), Gambia.

Bernard Castelein / Spur-winged lapwing (Vanellus spinosus) in flight, Gambia.

Staffan Widstrand / Wild Wonders of China / River lapwing (Vanellus duvaucelii) flying at Tongbiguan Nature Reserve, Dehong prefecture, Yunnan province, China, May.

Rod Williams / Black spur-winged goose (Plectopterus gambensis niger) captive, occurs in sub-Saharan Africa.

MYN / Lily Kumpe / Gumleaf grasshopper (Goniaea australasiae) William Bay National Park, Western Australia. Meetyourneighbours.net project.

MYN / Lily Kumpe / Macrotona grasshopper (Macrotona sp) William Bay National Park, Western Australia. Meetyourneighbours.net project.

Hermann Brehm / Southern lapwing (Vanellus chilensis) Pantanal, Brazil.

Gary K. Smith / Garden Delphiniums 'Pacific Hybrids' supported by canes. England, UK, June.

Gary K. Smith / Garden Delphiniums 'Pacific Hybrids' supported by canes. England, UK, June.

Gary K. Smith / Summer garden with Delphiniums 'Pacific Hybrids' and Echium Pininana foliage. England, UK. June.

Ernie Janes / Delphiniums flowering in cottage garden. England, UK.

Enrique Lopez-Tapia / African spoonbill (Platalea alba) landing among other Spoonbills, Spur winged lapwing (Vanellus spinosus), Black heron (Egretta ardesiaca) and Egret, Orango National Park, Bijagos UNESCO Biosphere Re...

Doug Perrine / Aerial view of southern Belize barrier reef, showing Gladden Spit, where there is a sharp bend in the reef, and showing spur and groove coral formations outside of the reef crest. Gladden Spit and Sil...

Lorraine Bennery / Short horned grasshopper (Pezotettix giornae) pair mating on snail, Bouches-du-Rhone, France, September.

Lorraine Bennery / Short horned grasshopper (Pezotettix giornae) pair mating on aestivating snail, Bouches-du-Rhône, France, September.

Melvin Grey / Blacksmith plover (Vanellus armatus) adult in flight, showing spur on carpal wing joint. Naivasha, Kenya

Melvin Grey / Spur-winged plovers (Hoplopterus spinosus) adults in courtship display, Lake Naivasha, Kenya

Melvin Grey / Blacksmith plover (Vanellus armatus) adult calling in grassland. Showing spurs on carpal wing joints. Ndutu, Tanzania

Melvin Grey / Spur-winged plover (Vanellus spinosus) adult male, Naivasha, Kenya

Melvin Grey / Spur-winged plover (Vanellus spinosus) nest and eggs in rough open grassland around the lake. Lake Bogoria, Kenya

Richard Du Toit / Spur winged geese (Plectropterus gambensis) flock flying past electricity pylons, silhouetted at dawn, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

MYN / Paul van Hoof / Long-winged grasshopper (Aiolopus thalassinus) male, France, July, Meetyourneighbours.net project

MYN / Paul van Hoof / Long-winged grasshopper (Aiolopus thalassinus) male, France, July, Meetyourneighbours.net project