Staffan Widstrand / Wild Wonders of China / Crested ibis (Nipponia nippon) flying, Yangxian Nature Reserve, Shaanxi, China, September.

Donald M. Jones / Glossy Ibis (Plegadis falcinellus), central Florida

Neil Aldridge / Yellow-billed stork (Mycteria ibis) catching a young barbel or catfish in the shallows of the Chobe River, Chobe National Park, Botswana.

Dave Watts / Northern bald ibis (Geronticus eremita) feeding, Morocco, Critically endangered species.

Dave Watts / Hermit ibis (Geronticus eremita) flock in flight, Morocco. Critically endangered.

Dave Watts / Hermit ibis (Geronticus eremita) colony, near Tamri, Morocco. Critically endangered.

Richard Du Toit / White Rhinoceros (Ceratotherium simum) mother and calf with Cattle Egret (Bubulcus ibis), Rietvlei Nature Reserve, South Africa

Marie Read / Flock of White ibis (Eudocimus albus) in breeding plumage, at rookery on water's edge of the mangrove-covered island, Tampa Bay, Florida, USA, March

Nick Garbutt / Scarlet Ibis (Eudocimus ruber) flying into roost sight at dusk, Hato La Aurora Reserve, Los Llanos, Colombia, South America.

Juan Carlos Munoz / Great egret (Ardea alba) perched in a tree, with an American White Ibis (Eudocimus albus) in flight, Everglades National Park, Florida, USA.

Juan Carlos Munoz / Northern Bald Ibis (Geronticus eremita) captive, Apenheul Park, Netherlands.

Jan Wegener / Straw-necked Ibis (Threskiornis spinicollis), Victoria, Australia