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

Angelo Gandolfi / Bare-throated tiger heron (Tigrisoma mexicanum) Corcovado National Park. Osa, Costa Rica.

Angelo Gandolfi / Bare-throated tiger heron (Tigrisoma mexicanum) Corcovado National Park. Osa, Costa Rica.

Angelo Gandolfi / Bare-throated tiger heron (Tigrisoma mexicanum) and Little blue heron (Egretta caerulea) fishing in Rio Claro river, Corcovado National Park. Osa, Costa Rica.

Tony Heald / Rufescent tiger heron (Tigrisoma lineatum) hunting in wetlands, Pantanal, Brazil

Tony Heald / Rufescent tiger heron (Tigrisoma lineatum) hunting in the wetlands, Pantanal, Brazil

Tony Heald / Rufescent Tiger heron (Tigrisoma lineatum) having just caught fish, Pantanal, Brazil

Tony Heald / Rufescent tiger heron (Tigrisoma lineatum) profile portrait of immature bird with neck feathers raised, Pantanal, Brazil

Tony Heald / Rufescent tiger heron (Tigrisoma lineatum) profile of male displaying in wetlands, Pantanal, Brazil

Tony Heald / Rufescent tiger heron (Tigrisoma lineatum) juvenile standing in wetlands, Pantanal, Brazil

Suzi Eszterhas / Rufescent tiger-heron (Tigrisoma lineatum) adult with fish, Pantanal, Brazil.

Konrad Wothe / Rufescent tiger heron (Tigrisoma lineatum) in rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Claudio Contreras / Bare-throated tiger-heron (Tigrisoma mexicanum), Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, August

Ben Cranke / Rufescent Tiger Heron (Tigrisoma lineatum) adult and juvenile at nest, Mato Grosso, Pantanal, Brazil. August.

Ben Cranke / Rufescent Tiger Heron (Tigrisoma lineatum) Hunting at the water's edge, Mato Grosso, Pantanal, Brazil. August.

Ben Cranke / Rufescent Tiger Heron (Tigrisoma lineatum) hunting at the water's edge, Mato Grosso, Pantanal, Brazil. August.

Ben Cranke / Rufescent Tiger Heron (Tigrisoma lineatum) feeding, Mato Grosso, Pantanal, Brazil. August.

Luiz Claudio Marigo / Rufescent Tiger Heron (Tigrisoma lineatum) Pantanal, Mato Grosso State, Western Brazil.

Tim Laman / Juvenile Rufescent Tiger Heron (Tigrisoma lineatum) along Anangu creek, Yasuni National Park, Orellana Province, Ecuador, July.

Tim Laman / Rufescent Tiger Heron (Tigrisoma lineatum) along Anangu creek in Yasuni National Park, Orellana Province, Ecuador, July.

Jabruson / Portrait of White crested tiger heron (Tigriornis leucolophus), Epulu Rainforest Reserve, Democratic Republic of Congo

Jabruson / Close-up of White crested tiger heron's (Tigriornis leucolophus) eye, Epulu Rainforest, Democratic Republic of Congo

Tim Laman / Rufescent tiger heron (Tigrisoma lineatum) juvenile, perched on branch along Anangu creek, Yasuni National Park, Orellana Province, Ecuador.

Franco Banfi / Refuscent tiger heron (Tigrisoma lineatum) perched in tree swallowing its snake prey, Pantanal, Mato Grosso, Brazil.

Gabriel Rojo / Rufescent tiger heron (Tigrisoma lineatum) with fish in its beak, La Estrella Marsh, Formosa province, Argentina.

Lucas Bustamante / Rufescent tiger heron (Tigrisoma lineatum) portrait, Yasuni National Park, Orellana, Ecuador.

Roland Seitre / Rufescent tiger heron (Tigrisoma lineatum) perched on a branch in grassland, Bolivia.

Karine Aigner / Rufescent tiger heron (Tigrisoma lineatum) juvenile along Anangu creek, Yasuni National Park, Orellana Province, Ecuador

David Pattyn / Bare-throated tiger-heron (Tigrisoma mexicanum) in flight Rio Tarcoles river, Tarcoles, Costa Rica

Adrian Davies / Bare-throated tiger heron (Tigrisoma mexicanum) Costa Rica.

Adrian Davies / Bare-throated tiger heron (Tigrisoma mexicanum) Costa Rica.