Bernard Castelein / Boat-billed Heron (Cochlearius cochlearius), Pampas del Yacuma Protected Area, Bolivia

Claudio Contreras / Boat-billed heron (Cochlearius cochlearius), near Bahia Cacaluta, Bahias de Huatulco National Park, Oaxaca, southern Mexico.

Juergen & Christine Sohns / Boat-billed Heron (Cochlearius cochlearius), Frankfurt, Germany

Juergen & Christine Sohns / Boat-billed Heron (Cochlearius cochlearius), Frankfurt, Germany

Tony Heald / Boat-billed heron (Cochlearius cochlearius) perching portrait, Pantanal, Brazil

Suzi Eszterhas / Boat-billed Heron (Cochlearius cochlearius) at nest with two week old chicks, Costa Rica

Suzi Eszterhas / Boat-billed Heron (Cochlearius cochlearius) on nest with two week old chicks, Costa Rica

Suzi Eszterhas / Boat-billed Heron (Cochlearius cochlearius) on nest with two week old chick, Costa Rica

Suzi Eszterhas / Boat-billed Heron (Cochlearius cochlearius) on nest with two week old chick, Costa Rica

Gerrit Vyn / Boat-billed heron (Cochlearius cochlearius) perched, Ria Lagartos Biosphere Reserve, Mexico. July.

Gerrit Vyn / Boat-billed Heron (Cochlearius cochlearius) perched on mangrove, Ria Lagartos Biosphere Reserve, Mexico. July.

Ben Cranke / Boat-billed heron (Cochlearius cochlearius) perched at the river's edge, Mato Grosso, Pantanal, Brazil. August.