Claudio Contreras / Green heron (Butorides virescens), Xochimilco wetlands, Mexico City, June

Cheryl-Samantha Owen / Green-backed heron (Butorides striatus) jumping, Aldabra Atoll, Seychelles

George Sanker / Green heron (Butorides virescens) hunting for fish, camouflaged against tree roots, Everglades National Park, Florida, USA, March

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

Rolf Nussbaumer / Green heron {Butoides virescens} chick portrait, Welder Wildlife Refuge, Sinton, Texas, USA.

Tom Vezo / Green heron with eggs on nest {Butorides virescens} Mexico

Tom Vezo / Green heron {Butorides virescens} Mexico

Tom Vezo / Green heron with frog prey {Butorides virescens} Mexico

Tom Vezo / Green heron {Butorides virescens} Mexico

Hanne & Jens Eriksen / Striated heron (Butorides striata) with Scorpionfish (Scorpaenidae) in beak, standing on rock. Oman, November

Ann & Steve Toon / Greenbacked heron (Butorides striatus) peering from perch, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Greenbacked heron (Butorides striatus) walking through water, Zimanga private game reserve, KwaZulu-Natal, South Africa.