Oscar Diez/ BIA / Pygmy Cormorant (Microcarbo pygmeus), Danube Delta, Romania

Guy Edwardes / Reed cormorant (Microcarbo africanus) drying wings whilst perched in tree, Khwai, Botswana.

Axel Gomille / Grey heron (Ardea cinerea) squabbling with Little cormorant (Microcarbo / Phalacrocorax niger) Keoladeo national park, Bharatpur, Rajasthan, India

Rob Drummond/ BIA / Reed Cormorant (Microcarbo africanus), Uganda

Andy Trowbridge / Little pied cormorant (Microcarbo melanoleucos previously known as Phalacrocorax melanoleucus) perched on branch with wings outstretched. Ashley River, Canterbury, New Zealand. July.

Andy Trowbridge / Little pied cormorant (Microcarbo melanoleucos) perched on branch. Ashley River, Canterbury, New Zealand. July.

Jiri Lochman / Little pied cormorant (Phalacrocorax melanoleucos), Cape Range National Park, Ningaloo Coast UNESCO Natural World Heritage Site, Western Australia, Australia.

Kim Taylor / Long-tailed cormorant (Phalcrocorax africanus) on Red Mangrove (Rhizophora mangle). Gambia, Africa

Tony Heald / Reed cormorant (Phalacrocorax africanus) juvenile with fish prey, Chobe National Park Botswana November 2016

David Pattyn / Great egret (Ardea alba) and two Reed cormorants (Microcarbo africanus) perched in a tree, Gambia Africa, May.

Robin Chittenden / Little cormorant (Phalacrocorax niger) near water, Sri Lanka.

Roger Powell / Little pied cormorant (Phalacrocorax melanoleucos) sitting on marine post and preening. Werribee Sewerage Farm, Werribee, Victoria, Australia