Life along the River Nile, near Aswan, Egypt, North Africa, Africa

Welsh mountain ponies (Equus caballus) grazing Llanrhidian salt marshes, The Gower Peninsula, Wales, United Kingdom, Europe

Two Welsh mountain ponies (Equus caballus) grazing Llanrhidian salt marshes, The Gower Peninsula, Wales, United Kingdom, Europe

Black crake (Zapornia flavirostra), Zimanga Game Reserve, KwaZulu-Natal, South Africa, Africa

Romney Marsh and Fairfield Church near Brookland, Kent, England, United Kingdom, Europe

Wild horses grazing in front of Sor Tuzbair, a solonchak (salt marsh), Mangystau, Kazakhstan, Central Asia, Asia

Sheep in tidal marsh at Mont-Saint-Michel bay with Abbey in the background, UNESCO World Heritage Site, Manche department, Normandy region, France, Europe

Adult marsh deer (Blastocerus dichotomus), grazing at Pouso Allegre, Mato Grosso, Pantanal, Brazil, South America

Flooded ditch and frost on coastal grazing marsh, Elmley National Nature Reserve, Isle of Sheppey, Kent, England, United Kingdom, Europe

View of coastal grazing marsh habitat at sunrise, Elmley Marshes National Nature Reserve, Isle of Sheppey, Kent, England, United Kingdom, Europe

Cattle on grazing marsh at sunrise, Elmley Marshes National Nature Reserve, North Kent Marshes, Isle of Sheppey, Kent, England, United Kingdom, Europe

Migrating Pink-Footed geese over-wintering on marshland at Holkham, North Norfolk coast, East Anglia, Eastern England

Migrating Pink-Footed geese over-wintering on marshland at Holkham, North Norfolk coast, East Anglia, Eastern England

Sheep (Ovis aries) grazing Llanrhidian salt marshes by tidal creeks, The Gower Peninsula, Wales, United Kingdom, Europe

Migrating Pink-Footed geese over-wintering on marshland at Holkham, North Norfolk coast, East Anglia, Eastern England

Migrating Pink-Footed geese over-wintering near Holkham, North Norfolk coast, East Anglia, Eastern England

Herd of French trotter horses in meadow in Les Marais de la Douve, the marshes, Normandy, France

Migrating Pink-Footed geese over-wintering on marshland at Holkham, North Norfolk coast, East Anglia, Eastern England

Portrait of a black bear (Ursus americanus) pausing on a mountainside from feeding on lowbush cranberries and looking at the camera on a mid-October afternoon in Southcentral Alaska's Chugach Mountains, Alaska, United States of America

View of cotton grass bloom in Teufelsmoor, Bremen, Germany