Guy Edwardes / Black crake (Amaurornis flavirostra) standing on lily pads, Chobe River, Botswana.

Ann & Steve Toon / Black crake (Amaurornis flavirostra), Zimanga game reserve, KwaZulu-Natal, South Africa, May

Staffan Widstrand / White-breasted waterhen (Amaurornis phoenicurus) in Keoladeo Ghana National Park, Bharatpur, Rajasthan, India

Staffan Widstrand / White-breasted waterhen (Amaurornis phoenicurus) bathing, Keoladeo Ghana National Park, Bharatpur, Rajasthan, India

Ann & Steve Toon / Black crake (Amaurornis flavirostra) immature, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Winfried Wisniewski / Black Crake (Amaurornis flavirostris) wading, KwaZulu-Natal, South Africa

Winfried Wisniewski / Black Crake (Amaurornis flavirostris), KwaZulu-Natal, South Africa

Graeme Guy/ BIA / White-breasted Waterhen (Amaurornis phoenicurus), Penang, Malaysia

Eric Sohn Joo Tan/ BIA / Rufous-tailed Waterhen (Amaurornis moluccanus), Queensland, Australia

Wim van den Heever / Black crake (Amaurornis flavirostra) Zimanga Private Game Reserve, South Africa.

Melvin Grey / Black crake (Amaurornis flavirostris) male, Bogoria, Kenya.

Neil Aldridge / Black crake (Amaurornis flavirostra) foraging in shallows, Byamiti River, Kruger National Park, South Africa.