Mark Taylor / Mt Fitz Roy and Laguna Los Tres, panoramic view, Fitzroy National Park, Argentina

Colin Monteath / Waterfall below Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Waterfall at dawn below Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Hiker, Cerro Torre and Fitzroy reflected in small pond at dawn, Loma Plieque Tumbado, Los Glaciares National Park, Patagonia, Argentina

Tui De Roy / Fitzroy Massif with sunrise glow on high granite spires, Los Glaciares National Park, Argentina

Mark Taylor / Mt Fitz Roy and Laguna Los Tres, panoramic view, Fitzroy National Park, Argentina

Colin Monteath / Domestic Horse (Equus caballus) group with Cerro Torre and Mount Fitzroy behind, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Domestic Horse (Equus caballus) group with Cerro Torre and Mount Fitzroy behind, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Road to Cerro Torre and Mount Fitzroy crosses dry pampa, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Dawn light over Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Waterfall at dawn below Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Waterfall below Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Cheryl-Samantha Owen / Striated green heron (Butorides striatus) jumping to catch dragonfly prey, Aldabra Atoll, Seychelles, Indian Ocean

Hermann Brehm / Striated Heron (Butoriodes striatus) on Giant water Lily, Pantanal, Brazil

Steven David Miller / Striated green heron (Butorides striatus) on mangrove tree branch, Yellow Waters wetland, South Alligator River, Kakadu National Park, Northern Territory, Australia

Cheryl-Samantha Owen / Striated green heron (Butorides striatus) with dragonfly prey, Aldabra Atoll, Seychelles, Indian Ocean

Shibai Xiao / Little heron (Butorides striatus) and Chinese pond heron (Ardeola bacchus) on boat, captured by fisherman and used for fishing, Hainan Island, China.

Hanne & Jens Eriksen / Striated green heron (Butorides striatus) perched on rock with head feathers blowing in the wind, Oman, March.

Hanne & Jens Eriksen / Striated green heron (Butorides striatus) in flight over ocean, Oman, March.

Alex Mustard / Hairy / striated / striped frogfish (Antennarius striatus) Blue Heron Bridge, Riviera Beach, West Palm Beach, Florida, USA.

Luiz Claudio Marigo / Striated Heron (Butorides striata) in profile. The Pantanal wetlands of Mato Grosso State, Brazil, November.

Luiz Claudio Marigo / Striated Heron (Butorides striatus) in water. The Pantanal wetlands of Mato Grosso State, Brazil, November.

Hanne & Jens Eriksen / Striated green heron {Butorides striatus} feeding on small fish, Oman, January

George Sanker / Striated green heron {Butorides striatus} with large fish, Hillsborough River, near Tampa, Florida, USA, Spring

Hanne & Jens Eriksen / Striated green heron (Butorides striatus). Abu Dhabi, United Arab Emirates.

Pete Oxford / Striated heron (Butorides striatus) juvenile on shoreline, Fernandina Is, Galapagos

Pete Oxford / Striated heron (Butorides striatus) juvenile on shoreline, Fernandina Is, Galapagos

Hanne & Jens Eriksen / Striated green heron {Butorides striatus} perched on algae covered rock, Musandam, Oman

Yuri Shibnev / Green backed heron {Butorides striatus} adult in nest with chick, South Primorsky Region, far east Russia

Steven David Miller / Striated green heron {Butorides striatus} preening, Florida, USA

Tony Heald / Green-backed heron / Striated green heron {Butorides striatus} on water lettuce Kruger NP, South Africa.

Tony Heald / Green-backed heron / Striated green heron {Butorides striatus} on water lettuce, Kruger NP, South Africa.

Philippe Clement / Striated green / Green-backed heron {Butorides striatus} Kruger NP South Africa

Philippe Clement / Striated green / Green-backed heron on water hyacinth {Butorides striatus} Kruger NP South Africa

Richard Du Toit / Striated green heron, juvenile {Butorides striatus} Moremi WR, Botswana

Hanne & Jens Eriksen / Striated green heron {Butorides striatus} Oman

Hanne & Jens Eriksen / Striated green heron {Butorides striatus} Oman

George McCarthy / Striated green heron, Everglades, Florida, USA

George McCarthy / Striated green heron,Everglades, Florida, USA

George McCarthy / Striated green heron, Everglades, Florida, USA

Hermann Brehm / Striated heron at water's edge, Florida USA

Nature Production / Striated / Green-backed Heron {Butorides striatus} feeding on Pale Chub fish, Suizenji Park, Kumamoto, Japan, August

Nature Production / Striated / Green-backed Heron {Butorides striatus} leaning forward to feed on Water strider, Suizenji Park, Kumamoto, Japan, August

Nature Production / Striated / Green-backed Heron {Butorides striatus} leaning forward to feed on bait, Suizenji Park, Kumamoto, Japan, August

Nature Production / Striated / Green-backed Heron {Butorides striatus} leaning forward to feed on bait, Suizenji Park, Kumamoto, Japan, August