Richard Du Toit / Yellowcrowned bishop (Euplectes afer) Marievale Bird Sanctuary, South Africa.

Richard Du Toit / Fantailed widowbird (Euplectes axillaris) Marievale Bird Sanctuary, South Africa.

Richard Du Toit / Cape shoveler (Anas smithii) flying low over water, Gauteng Province, Marievale Bird Sanctuary, South Africa.

Richard Du Toit / Powerlines in Marievale Bird Sanctuary at dawn, Gauteng Province, South Africa. August 2015.

Richard Du Toit / African spoonbill (Platalea alba) Gauteng Province, Marievale Bird Sanctuary, South Africa.

Richard Du Toit / Habitat burnt after wildfire, Marievale Bird Sanctuary, South Africa, June.

Richard Du Toit / Cape shoveler (Anas smithii) male in flight, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

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

Richard Du Toit / Lesser swamp warbler (Acrocephalus gracilirostris) flapping wings, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

Richard Du Toit / Purple heron (Ardea purpurea) sitting on ground, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

Richard Du Toit / Purple gallinule (Porphyrio porphyrio) in flight, Marievale Bird Sanctuary, Gauteng Province, South Africa, September.

Wim van den Heever / Malachite Kingfisher (Alcedo cristata) on a perch, Marievale Bird Sanctuary, South Africa.

Richard Du Toit / Cape Shoveler (Anas smithii) spreading wings, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Goliath Heron (Ardea goliath) taking flight, Marievale Bird Sanctuary, South Africa

Neil Aldridge / Reed cormorant (Phalacrocorax africanus) flying low over wetlands, Marievale Bird Sanctuary, Johannesburg, South Africa.

Neil Aldridge / Reed cormorant (Phalacrocorax africanus) flying low over wetlands, Marievale Bird Sanctuary, Johannesburg, South Africa.

Neil Aldridge / Black-shouldered kite (Elanus caeruleus) hunting over grassland, Marievale Bird Sanctuary, Gauteng Province, South Africa.

Neil Aldridge / Common moorhen (Gallinula chloropus) swimming across wetlands in early morning light, Marievale Bird Sanctuary, Gauteng Province, South Africa.

Neil Aldridge / Black-shouldered kite (Elanus caeruleus) perched in Marievale Bird Sanctuary, Gauteng Province, South Africa.

Neil Aldridge / Male Stonechat (Saxicola torquatus) perched on a dead bush in grassland, Marievale Bird Sanctuary, Gauteng Province, South Africa.

Neil Aldridge / Cape shoveller (Anas smithii) swimming in early morning, Marievale Bird Sanctuary, South Africa.

Neil Aldridge / Cape shoveller (Anas smithii) spreading its wings on water, Marievale Bird Sanctuary, South Africa.

Richard Du Toit / Yellowbilled duck (Anas undulata) flock, flying in a row, Marievale Bird Sanctuary, Gauteng Province, South Africa. June.

Richard Du Toit / Reed cormorant (Phalacrocorax africanus) portrait, rear view, Marievale Bird Sanctuary, Gauteng Province, South Africa, July.

Richard Du Toit / Wild fire in Marievale Bird Sanctuary, South Africa, June 2013

Richard Du Toit / Wild fire over Phragmites reed beds, Marievale Bird Sanctuary, South Africa, June 2013.

Richard Du Toit / Wild fire over Phragmites reed beds, Marievale Bird Sanctuary, South Africa, June 2013.

Richard Du Toit / Smoke on scorched ground after wild fire, Marievale Bird Sanctuary, South Africa, June.

Richard Du Toit / Reed Cormorant (Phalacrocorax africanus) drying wings, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

Richard Du Toit / Malachite Kingfisher (Alcedo cristata) Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

Richard Du Toit / Mixed group of birds at Greater Flamingo (Phoenicopterus roseus) and Redknobbed Coot (Fulica cristata), Marievale Bird Sanctuary, South Africa, July.

Richard Du Toit / Spotted-necked Otter (Lutra maculicollis) feeding on fish, Marievale Bird Sanctuary, South Africa, July.

Richard Du Toit / Wild fire in Marievale Bird Sanctuary, South Africa, June 2013

Richard Du Toit / Wild fire in Marievale Bird Sanctuary, South Africa, June 2013

Richard Du Toit / Purple Gallinule (Porphyrio porphyrio) on reeds, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

Richard Du Toit / Blackwinged Stilt (Himantopus himantopus) taking off, Marievale Bird Sanctuary, Gauteng Province, South Africa, August.

Richard Du Toit / Pied Avocet (Recurvirostra avosetta) landing with wings spread, Marievale Bird Sanctuary, South Africa, August.

Richard Du Toit / Greater Flamingo (Phoenicopterus roseus) group resting, Marievale Bird Sanctuary, South Africa, August.

Richard Du Toit / Greater Flamingo (Phoenicopterus roseus) feeding with head underwater, Marievale Bird Sanctuary, South Africa, August.

Richard Du Toit / Blacksmith Plovers (Vanellus armatus) Marievale Bird Sanctuary, , Gauteng Province, South Africa, August.

Richard Du Toit / Fire in the distance and scorched ground, Marievale Bird Sanctuary, South Africa, June 2013

Richard Du Toit / Wild fire in the distance and scorched landscape, Marievale Bird Sanctuary, South Africa, June 2013

Richard Du Toit / Wild fire over Phragmites reed beds, Marievale Bird Sanctuary, South Africa, June 2013.

Richard Du Toit / Spotted-necked Otter (Lutra maculicollis) swimming, Marievale Bird Sanctuary, South Africa, June.

Richard Du Toit / Cape Shoveler (Anas smithii) Marievale Bird Sanctuary, Gauteng Province, South Africa, June.

Richard Du Toit / Little Grebe (Tachybaptus ruficollis) taking off, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Malachite Kingfisher (Alcedo cristata), Marievale Bird Sanctuary, South Africa

Richard Du Toit / Greater Flamingo (Phoenicopterus ruber) group wading, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire damage around a road, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Marsh / Water mongoose (Atilax paludinosis), walking profile, Marievale Bird Sanctuary, South Africa

Neil Aldridge / Malachite Kingfisher (Alcedo christata) perched on a reed at Marievale Bird Sanctuary, Gauteng, South Africa, August

Richard Du Toit / Red Bishop (Euplectes orix) male displaying, Marievale Bird Sanctuary, Gauteng, South Africa

Richard Du Toit / Long-tailed Widow (Euplectes progne) male displaying showing long tail feathers, Marievale Bird Sanctuary, Gauteng, South Africa

Richard Du Toit / Longtailed Widow bird (Euplectes progne) male in flight, Marievale Bird Sanctuary, South Africa, November

Richard Du Toit / Long-tailed Widow (Euplectes progne) male, Marievale Bird Sanctuary, Gauteng, South Africa

Richard Du Toit / Longtailed widow bird (Euplectes progne) in flight, Marievale bird sanctuary, Guateng, South Africa, January

Richard Du Toit / Swamp lily (Crinum sp) flowering in wetlands, Marievale bird sanctuary, Guateng, South Africa, November

Richard Du Toit / Swamp lily (Crinum sp) flowering in wetlands, Marievale bird sanctuary, Guateng, South Africa, November 2009

Richard Du Toit / Goliath heron (Ardea goliath) wading in deep water, Marievale bird sanctuary, Guateng, South Africa, November

Richard Du Toit / Malachite kingfisher (Alcedo cristata) perched, Marievale bird sanctuary, Guateng, South Africa, October

Richard Du Toit / Pin-tailed Whydah (Vidua macroura) male in breeding plumage, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Long-tailed Widow (Euplectes progne) male in breeding plumage, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Road through savanna grass, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Road through savanna grass, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Lily (Crinum sp) flowers, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Long-tailed Widow (Euplectes progne) male in breeding plumage, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Red Bishop (Euplectes orix) male with old and new plumage, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Blacksmith Lapwing (Vanellus armatus) chasing Grey-headed Gull (Larus cirrocephalus), Marievale Bird Sanctuary, South Africa

Richard Du Toit / Pied Avocet (Recurvirostra avosetta), Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire consuming savannah vegetation, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Greater Flamingo (Phoenicopterus ruber), Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire through savannah grass, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Burnt trees and savannah, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Wildfire, Marievale Bird Sanctuary, South Africa

Richard Du Toit / Malachite Kingfisher (Alcedo cristata) greeting landing individual, Marievale Bird Sanctuary, Gauteng, South Africa

Richard Du Toit / Great Crested Grebe (Podiceps cristatus) pair at nest, Marievale Bird Sanctuary, Gauteng, South Africa

Richard Du Toit / Powerlines at sunrise, Marievale Bird Sanctuary, South Africa

Richard Flack / Lesser swamp warbler (Acrocephalus gracilirostris) perched among Rushes (Juncaceae), Marievale Bird Sanctuary, Nigel, Gauteng, South Africa.

Richard Flack / African rail (Rallus caerulescens) walking through wetland habitat, Marievale Bird Sanctuary, Gauteng, South Africa.

Richard Du Toit / Reed cormorant (Phalacrocorax africanus) with Crinum lillies, Marievale Bird Sanctuary, South Africa.