Great Cormorant drying his feathers
One carmorant drying his feathers and one watching the 'guy with that camera' ;)
Birds which dive are not allowed to have to much buoyancy. Usually diving birds therefore have heavier bones and press the air out of their feathers to reduce this buoyancy. Carmorants go even further by allowing their feathers to become totally wet. This allows them to dive deeper and chase fish for a longer time. Downside is that their feathers take more time to dry.

The Great Cormorant, known as the Great Black Cormorant across the Northern Hemisphere, the Black Cormorant in Australia and the Black Shag further south in New Zealand, is a widespread member of the cormorant family of seabirds. It breeds in much of the Old World and the Atlantic coast of North America.
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