Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus) females with some terminal males grazing on algae covered coral boulders, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), terminal males grazing on algae covered coral, Andaman Sea, Thailand

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males grazing on algae covered coral boulders, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males grazing on algae covered coral boulders, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males leaving droppings of ground up coral rock, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males grazing on algae covered coral rubble on sandy bottom, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), terminal males and females amongst coral, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males and females grazing on algae covered coral boulders, Andaman Sea, Thailand.

Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus) large school of terminal males grazing on algae covered coral boulders, Andaman Sea, Thailand.

Peter Cairns / 2020VISION / Exmoor Ponies (Equus caballus) grazing at Seven Sisters Country Park, South Downs, England, November.

Peter Cairns / 2020VISION / Exmoor Pony (Equus caballus) grazing at Seven Sisters Country Park, South Downs, England, November.

Peter Cairns / 2020VISION / Exmoor Pony (Equus caballus) grazing at Seven Sisters Country Park, South Downs, England, November.

Brent Stephenson / A single tree in the middle of a dry sheep paddock with scattered sheep, seen from a helicopter. Near Otane, Hawkes Bay, North Island, New Zealand.

Brent Stephenson / Takahe (Porphyrio hochstetteri) feeding on grass, Tiritiri Matangi Island, Auckland, New Zealand.

Brent Stephenson / Rolling farmland with scattered trees and farm ponds, as seen from helicopter. Near Te Hauke, Hawkes Bay, North Island, New Zealand.

Paul Williams / Capybara (Hydrochoerus hydrochaeris) with Cattle tyrant (Machetornis rixosa) bird on its back looking for insects to feed on, Pantanal, Pocone, Brazil

Paul Williams / Capybara (Hydrochoerus hydrochaeris) two young individuals grazing, Pantanal, Pocone, Brazil

LYNN M. STONE / Portrait of Ayrshire cow. Vermont, USA, October.

Andy Rouse / Agile wallaby (Macropus agilis) female feeding with joey in pouch, Bamarru Plains, Northern Territories, Australia

David Woodfall / Welsh Mountain Ponies, grazing fixed dune grassland as part of conservation management, Oxwich National Nature Reserve, Gower, Wales, UK, June 2009

David Woodfall / Cattle grazing damp marsh, with extensive Yellow Iris (Iris pseudacororus) Cwm Ivy Marsh, North Gower, Wales, UK, June

David Woodfall / Horses and foal grazing species-rich high water line. Whitford National Nature reserve, North Gower, Wales, UK, June

David Noton / Parrock Hill wiith Glastonbury Tor in the distance, from Corton Hill, Somerset, England, UK. August 2011.

David Noton / Parrock Hill with Glastonbury Tor in the distance, from Corton Hill, Somerset, England, UK. August 2011.

David Noton / Parrock Hill wiith Glastonbury Tor in the distance, from Corton Hill, Somerset, England, UK. August 2011.

David Noton / Parrock Hill wiith Glastonbury Tor in the distance, from Corton Hill, Somerset, England, UK. August 2011.

Tui De Roy / White Rhinoceros (Ceratotherium simum) pair grazing, Solio Ranch, Kenya

Tui De Roy / African Elephant (Loxodonta africana) calf grazing next to mother, Ol Pejeta Conservancy, Kenya

Tui De Roy / African Elephant (Loxodonta africana) pair grazing, Ol Pejeta Conservancy, Kenya

Tui De Roy / African Elephant (Loxodonta africana) herd grazing, Ol Pejeta Conservancy, Kenya

Tui De Roy / African Elephant (Loxodonta africana) group grazing, Ol Pejeta Conservancy, Kenya

Tui De Roy / African Elephant (Loxodonta africana) herd grazing, Ol Pejeta Conservancy, Kenya

Tui De Roy / African Elephant (Loxodonta africana) calf grazing, Ol Pejeta Conservancy, Kenya

Tui De Roy / African Elephant (Loxodonta africana) calf grazing, Ol Pejeta Conservancy, Kenya

Martin Willis / Eastern Grey Kangaroo (Macropus giganteus) group grazing with two mothers and their joeys, Tasmania, Australia

Eric Baccega / Arctic hare (Lepus arcticus) grazing on tundra, Ellesmere Island, Nunavut, Canada, June 2012.

Eric Baccega / Arctic hare (Lepus arcticus) grazing on tundra, Ellesmere Island, Nunavut, Canada, June 2012.

Nick Upton / Common periwinkle (Littorina littorea) grazing on Kelp frond in a rockpool, North Berwick, East Lothian, UK, July

Nick Upton / Two adults and a kid Pygmy goat (Capra hircus) grazing hay in a fenced paddock, Wiltshire, UK, March.

Nick Upton / Mother and kid Pygmy goat (Capra hircus) grazing on hay in hillside paddock, Wiltshire, UK, March.

Nick Upton / Mother and kid Pygmy goat (Capra hircus) grazing hay in hillside paddock, Wiltshire, UK, March.

Nick Upton / Two Pygmy goat kids (Capra hircus) grazing hay in a hillside paddock, Wiltshire, UK, March.

Nick Upton / Pygmy goat kid (Capra hircus) grazing hay next to its mother in a fenced paddock, Wiltshire, UK, March.

Nick Upton / Close up of Pygmy goat (Capra hircus) grazing hay in fenced paddock, Wiltshire, UK, March.

Nick Upton / Two adult Pygmy goats (Capra hircus) grazing hay in a fenced paddock, Wiltshire, UK, March.

Nick Upton / Two Pygmy goat kids (Capra hircus) grazing hay in a hillside paddock, Wiltshire, UK, March.

Nick Upton / Pygmy goat (Capra hircus) with large beard grazing hay in fenced paddock, Wiltshire, UK, March.

Nick Upton / Mother Pygmy goat (Capra hircus) and two kids grazing hay in a fenced hillside paddock, Wiltshire, UK, March.

Nick Upton / Low angle view of two American miniature horses (Equus caballus) grazing grass, Wiltshire, UK, March.

Jean E. Roche / Aerial view of cattle grazing on old, eroded pasture, Camargue, Southern France, June 2006

Mary McDonald / Herd of Reindeer (Rangifer tarandus) grazing beside Antarctic fur seal (Arctocephalus gazella), St. Andrews Bay, South Georgia Island, March 2012

Carol Walker / Wild horses / Mustangs, mare grazing beside resting foal, McCullough Peaks, Wyoming, USA

Carol Walker / Wild horse / Mustang, close up of bay grazing, Pryor mountains, Montana, USA

Wild Wonders of Europe / Möllers / Large herd of Red deer (Cervus elaphus) kept on a Deer Farm for trophy hunting in the borderlands of Poland and Ukraine, Ustrzyki Dolne, Lipie, Poland, September 2011

Terry Whittaker / 2020VISION / Remnant saltmarsh and grazing marsh at Old Hall Marshes. Essex, UK, March 2012.

Konrad Wothe / Camargue horses (Equus caballus) drinking, Camargue, France, April

Nick Garbutt / Giant long-horned bush cricket (Macrolyristes imperator) (body length 130mm, hind leg length 150mm, antennae length 170mm) grazing on moss in the understorey. Lowland dipterocarp rainforest, Danum Val...

Nick Garbutt / Giant long-horned bush cricket (Macrolyristes imperator) (body length 130mm, hind leg length 150mm, antennae length 170mm) grazing on moss in the understorey. Lowland dipterocarp rainforest, Danum Val...

Sharon Heald / African elephant (Loxodonta africana) feeding, Etosha National Park, Namibia

Terry Whittaker / 2020VISION / Oystercatchers (Haematopus ostralegus) on grazing marsh, Kent, England, UK, March.

Terry Whittaker / 2020VISION / Flock of Dark-bellied brent geese (Branta bernicla) taking off from grazing field, South Swale, Kent, England, UK, February.

Terry Whittaker / 2020VISION / Flock of Linnets (Carduelis cannabina) taking-off from grazing marshes, Elmley Nature Reserve, Kent, England, UK, February.

Terry Whittaker / 2020VISION / Flock of Linnets (Carduelis cannabina) in flight over grazing marsh, Elmley Nature Reserve, Kent, England, UK, September.

Paul Harris / 2020VISION / Volunteer with domestic horses on grazing marsh, RSPB Vange Marshes reserve, Basildon, Essex, England, UK, November 2011. Model released.

Paul Harris / 2020VISION / Cattle in grazing pasture, West Canvey Marshes RSPB reserve, Essex, England, UK, November.

Paul Harris / 2020VISION / Cattle in grazing pasture, West Canvey Marshes RSPB reserve, Essex, England, UK, November.

Paul Harris / 2020VISION / Cattle grazing on West Canvey Marshes RSPB reserve, Essex, England, UK, November.

David Tipling / 2020VISION / Flock of Whooper swans (Cygnus cygnus) grazing on winter wheat, Cambridgeshire Fens, UK, December

David Tipling / 2020VISION / Herd of Highland cattle put on fenland to graze the marsh, Woodwalton Fen, Cambridgeshire, UK, June

David Tipling / 2020VISION / Highland cattle put on fenland to graze the marsh, Woodwalton Fen, Cambridgeshire, UK, June

David Tipling / 2020VISION / Herd of Highland cattle put on fenland to graze the marsh, Woodwalton Fen, Cambridgeshire, UK, June

David Tipling / 2020VISION / Herd of Highland cattle put on fenland to graze the marsh, Woodwalton Fen, Cambridgeshire, UK, June

Erlend Haarberg / Muskox (Ovibos moschatus) herd grazing in snow, Dovrefjell-Sunndalsfjella National Park, Norway, December 2011

Orsolya Haarberg / Domestic reindeers on winter grazing field on Tomma with Lovund Island in the distance, Helgeland, Nordland, Norway, January 2010

Erlend Haarberg / Two Muskoxen (Ovibos moschatus) others grazing in background, Dovrefjell-Sunndalsfjella National Park, Sor-Trondelag, Norway, January

Erlend Haarberg / Muskoxen (Ovibos moschatus) grazing in snow, Dovrefjell-Sunndalsfjella National Park, Sor-Trondelag, Norway, December

Markus Varesvuo / Common crane (Grus grus) flock grazing, Sweden, April

Markus Varesvuo / Male Little bustard (Tetrax tetrax) in field with cattle gazing, Spain, April

Loic Poidevin / Snow goose (Chen caerulescens) juvenile grazing, Quebec, Canada, October

Loic Poidevin / Male Moose (Alces alces) grazing with juvenile nearby, Jacques Cartier National Park, Quebec, Canada, October

Nick Upton / 2020VISION / Flock of twenty juvenile Common / Eurasian cranes (Grus grus) recently released by the Great Crane Project onto the Somerset Levels and Moors, flying over grazing cattle, Somerset, England, UK, Octobe...

Roland Seitre / Scimitar Oryx (Oryx dammah) grazing at the breeding program at Reserve du Ferlo Nord, near Ranero in Senegal. Captive. Previously common, over-hunting and habitat destruction through the 20th century...

Roland Seitre / Fence allowing grazing-land to recover - to the left is over-grazed land, to the right is recovering land. Scimitar Oryx rehabilitation program, Reserve du Ferlo Nord, near Ranero in Senegal, 2002.

David Woodfall / Domestic sheep (Ovis aries) spring lamb, standing on grass saltmarsh next to adults grazing, England, UK.

David Woodfall / Domestic sheep (Ovis aries) two spring lambs sitting with adult grazing, living on grass saltmarsh, England, UK.

Richard Du Toit / Red Hartebeest (Alcelaphus caama) feeding on grasses near Yellow Vine (Tribulus terrestris) flowers, Kgalagadi Transfrontier Park, Botswana

Richard Du Toit / Hippopotamus (Hippopotamus amphibius) grazing, Limpopo, South Africa

David Kjaer / Flock of Common Crane (Grus grus) grazing on wetlands, part of the reintroduction programme headed by the RSPB on the Somerset Levels, UK, October 2011

David Kjaer / Flock of Common Crane (Grus grus) grazing on wetlands, part of the reintroduction programme headed by the RSPB on the Somerset Levels, UK, October 2011

David Kjaer / Brent Geese (Branta bernicla) grazing, Stanpit Marsh, Dorset, UK, January

David Kjaer / Brent geese (Branta bernicla) grazing, Stanpit Marsh, Dorset, UK, January

Colin Monteath / Domestic Sheep (Ovis aries) and Domestic Goat (Capra hircus) with shepherd out to pick up newborns and keep them warm in ger, northern Mongolia

Colin Monteath / Domestic Sheep (Ovis aries) and Domestic Goat (Capra hircus) group grazing in winter, Gobi Desert, Mongolia

Colin Monteath / Bactrian Camel (Camelus bactrianus) group grazing during winter, Khongor Sand Dunes, Gobi Desert, Mongolia

Colin Monteath / Bactrian Camel (Camelus bactrianus) grazing during winter, Khongor Sand Dunes, Gobi Desert, Mongolia