John Shaw / Striated heron (Butorides striata) standing on giant Amazon waterlily leaf (Victoria amazonica). Porto Jofre, Pantanal, Brazil. September.

Bernard Castelein / Rufescent tiger-heron (Tigrisoma lineatum ), juvenile begging for food on adult bird, Pampas del Yacuma Protected Area, Bolivia

Bernard Castelein / Rufescent tiger-heron (Tigrisoma lineatum), adult sunbathing, Pampas del Yacuma Protected Area, Bolivia

Bernard Castelein / Rufescent tiger-heron (Tigrisoma lineatum ), drinking, juvenile, Pampas del Yacuma Protected Area, Bolivia

Bernard Castelein / Rufescent tiger-heron (Tigrisoma lineatum ), juvenile, Pampas del Yacuma Protected Area, Bolivia

Franco Banfi / Rufescent tiger-heron (Tigrisoma lineatum) juvenile. Pantanal, Mato Grosso, Brazil

Luke Massey / Rufescent tiger heron (Tigrisoma lineatum) Pantanal, Brazil.

Luke Massey / Portrait of a Rufescent tiger heron (Tigrisoma lineatum) Pantanal, Brazil.

Luke Massey / Close up of plumage of a Rufescent tiger heron (Tigrisoma lineatum) Pantanal, Brazil.

Luke Massey / Portrait of a Rufescent tiger heron (Tigrisoma lineatum) Pantanal, Brazil.

Luke Massey / Portrait of a Rufescent tiger heron (Tigrisoma lineatum) Pantanal, Brazil.

Bernard Castelein / Rufescent tiger heron (Tigrisoma lineatum) Madidi National Park, Bolivia