Reed cormorants (Microcarbo africanus) drying wings, Chobe National Park, Botswana, Africa

Australasian darter bird (Anhinga novaehollandiae) drying wings, snake bird spreading wings, Poovar Island, Kerala, India, Asia

Anhinga snakebird darter, Anhinga anhinga, air drying feathers in the Everglades, Florida, United States of America

Shag (Phalacrocorax aristotelis) portrait on old pier support. Taken at the top of Loch Etive in Glen Etive on an old pier. Shags feathers are not fully waterproof so they spend a lot of time preening and drying out of the water , Scotland

Shag (Phalacrocorax aristotelis) portrait on old pier support. Taken at the top of Loch Etive in Glen Etive on an old pier. Shags feathers are not fully waterproof so they spend a lot of time preening and drying out of the water. Scotland

Cormorant (Phalacrocorax carbo) silhouetted against water while drying on an Island. Cormorant wings are not fully waterproof therefore they spend a lot of time on rocks, bouys etc drying off their wings.. Argyll, Scotland