Richard Flack / Blue crane (Grus paradisea) silhouetted at dusk, Mountain Zebra National Park, South Africa.

Richard Flack / Black saw-wing (Psalidoprocne pristoptera) perched on branch, Balgowan, Natal Midlands, South Africa. Bird Photographer of the Year Competition 2022 - Commended Art category.

Richard Flack / Black-bellied bustard (Lissotis melanogaster) feeding on caterpillar prey, Nambithi Game Reserve, Ladysmith, South Africa.

Richard Flack / Bennet's woodpecker (Campethera bennettii) male, perched on tree trunk, Mabula Game Lodge, South Africa.

Richard Flack / Bearded vulture (Gypaetus barbatus) taking flight from hilltop, Giant's Castle, Drakensberg Mountains, South Africa.

Richard Flack / Bearded vulture (Gypaetus barbatus) landing on hilltop, Giant's Castle, Drakensberg Mountains, South Africa.

Richard Flack / Bearded vulture (Gypaetus barbatus) perched on rock, Giant's Castle, Drakensberg Mountains, South Africa.

Richard Flack / Bearded vulture (Gypaetus barbatus) in flight, Giant's Castle, Drakensberg Mountains, South Africa.

Richard Flack / Bearded vulture (Gypaetus barbatus) in flight over mountain landscape, Giant's Castle, Drakensberg Mountains, South Africa.

Richard Flack / Bateleur (Terathopius ecaudatus) standing on ground swallowing Squirrel prey, Kruger National Park, South Africa.

Richard Flack / Bar-throated apalis (Apalis thoracica) perched in tree in Mopane woodland, Waterberg Biosphere, Mpumalanga, South Africa.

Richard Flack / African wild dog (Lycaon pictus) hunting pack standing alert on dusty track, Khamab Kalahari Reserve, South Africa.

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

Richard Flack / African pitta (Pitta angolensis) perched on branch in lowland forest, Coutada 11, Zambezi Delta, Mozambique.

Richard Flack / African openbill stork (Anastomus lamelligerus) wading in shallow water at waterhole searching for food, Kruger National Park, South Africa.

Richard Flack / African marsh harrier (Circus ranivorus) in flight carrying nesting material, Balgowan, KwaZulu Natal, South Africa. Bird Photographer of the Year Competition 2022 - Commended Behaviour category.

Richard Flack / African harrier hawk (Polyboroides typus) raiding nest of Weaverbird, Nambithi Game Reserve, Ladysmith, South Africa.