Images from Penguins by Tui de Roy. It is the first book to comprehensively cover all of the 18 penguin species, and took her from the Galapagos Islands to South Africa and the Antarctic. Published by Bateman.
Images courtesy of The Roving Tortoise Worldwide Nature Photography.
A gentoo penguin comes in for a perfect landing, shooting out of the water to alight upright on a slippery boulder, Couverville Island.
A lone emperor penguin makes its way to the breeding colony over the frozen ocean, past trapped icebergs illuminated by the midnight sun.
A pair of emperor penguins exchange gentle greetings deep in their frozen world off the coast of East Antarctica.
A yellow-eyed penguin meanders shyly toward its nest among spectacular megaherbs on Enderby Island, NZ Subantarctic.
Adélie penguins marching resolutely towards their nesting colony through a fierce Antarctic blizzard, Weddell Sea.
Chinstrap penguins take a rest while riding on an old water-worn iceberg adrift in the Southern ocean, Antarctic Peninsula.
Gentoo penguins make their final approach towards land by porpoising through the surf, Falkland Islands.
King penguins cast their reflection in a rain pool on a rare windless day in the subantarctic, Falkland Islands.
King penguins come into their own as they dart into the depth with incredible speed and agility, Macquarie Island.
Seeking snow-free ground to begin nesting, chinstrap crowd around the base of a lichen encrusted nunatak, Half Moon Island, Antarctic peninsula.
The images in this gallery are used with permission and are subject to copyright conditions.