Duncan Murrell / Porc Epic Peninsula, Southern Lagoon, Forgotten Coast, Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Caledonia.

Gary Bell/ Oceanwide / Porcupinefish (Diodon nicthemerus) in defensive posture, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Juergen Freund / Globefish (Diodon nicthemerus) swimming past a mass of plastic moving in the current, North Sulawesi, Indonesia.

Jen Guyton / Meerkat (Suricata suricatta) barely alive, with Cape porcupine (Hystrix africaeaustralis) quills through his abdomen. Kalahari Desert, South Africa.

Gerrit Vyn / Porcupine (Erethizon dorsatum) on tundra. North Slope, Alaska, USA. September.

Pascal Pittorino / Corsican pig (Sus scrofa domestica) sow, suckling the piglets, Parc Naturel Regional de Corse / Natural Regional Park of Corsica, Corsica Island, France. September.

Solvin Zankl / Porcupinefish (Diodontidae) tiny juvenile, found in plankton community, Sargasso Sea, Bermuda.

Juan Carlos Munoz / Iberian black pig foraging in oak woodland, Sierra de Aracena Natural Park, Huelva, Andalucia, Spain, Europe. Breed used to produce Iberico ham / Jamon Iberico

Steven Kazlowski / North American porcupine (Erethizon dorsatum) pup feeds on Alaskan high brush cranberries in the foothills of the Takshanuk Mountains, South-East Alaska, USA

Paul Harris / 2020VISION / Woman and three children watching Domestic pigs feeding on windfall apples, Old Sleningford Community Farm, North Yorkshire, England, UK, August 2011.

Roland Seitre / Baby Rothschild's Porcupine (Coendou rothschildi) on the palm of conservation volunteer. La Marinas Wildlife Rescue Centre, Costa Rica, 2008.

Roland Seitre / Baby Rothschild's Porcupine (Coendou rothschildi) being bottle-fed. La Marinas Wildlife Rescue Centre, Costa Rica, 2008.