Claudio Contreras / American coot (Fulica americana americana) in mist, with Popocatepetl volcano behind, Xochimilco wetlands, Mexico City, Mexico. November.
Claudio Contreras / Black-necked stilt (Himantopus mexicanus) reflected in water, Xochimilco wetlands, Mexico City, March
Claudio Contreras / Waterfowl at dawn with mist, including Great blue heron (Ardea herodias herodias), American avocet (Recurvirostra americana), Northern shoveler (Anas clypeata), Xochimilco wetlands, Mexico City, Mexic...
Claudio Contreras / Green heron (Butorides virescens), Xochimilco wetlands, Mexico City, June
Claudio Contreras / Aquatic plants (Typha sp.) with Mexico City buildings in the back, Xochimilco wetlands, Mexico City, January
Krista Schlyer / Whooping crane (Grus americana) International Crane Foundation, Wisconson, USA. Captive.
Nick Upton / Little egret (Egretta garzetta) struggling to swallow a large Pike (Esox lucius) it has just caught, Rutland Water, Rutland, England, UK, November.