Despite the name, King penguins are not the giants of all penguins; those
are the Emperor penguins. However, the title of "king" isn't unfitting for the King
penguin since it is the second largest penguin in the world, stading 95 cm tall and
weighing about 15 kilograms. It is moderately easy to differentiate the Emperor and the
Kings; Kings have more orange coloring on their breasts, look trimmer and have longer
bills. Males and females are monomorphic.
    King penguins can be found in the Periantarctic
and Subantarctic islands year round. Despite their scientific name,
patagonica, there's no
evidence that they ever lived in Patagonia. Over 1.6 million breeding pairs can be found
disperesed over the Falkland Islands, Macquarie Islands, Heard Island, Iles Crozet and
Marion island. They aren't considered migratory. Their breeding season is unusually long.
    At 3.2+ million strong, King penguins are considered stable, but they do have
predators. These animals are the usual suspects: leopard seals, skuas and petrels. King penguins
feed upon crustaceans, small fish, squid and plankton.
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Author Bernard Stonehouse
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King penguins, Aptenodytes patagonica are similar to
Emperors but smaller; they breed, often in large colonies of
several thousand birds, on Marion Island, Iles Crozet and
Kerguelen, Heard and Macquarie Islands, and the Falkland Islands.
Subspecies proposed by earlier workers have not been substantiated,
and the species seems to be uniform throughout its broad
circumpolar range. Several colonies are known to have been
destroyed by hunters. Kings may formerly have bred in the
Magellanes region and on Staten Island, and the recent appearance
of new colonies on Heard Island and the Falkland Islands represents
a recolonisation after extirpation by man. Earlier reports of
their breeding on the South Sandwhich Islands, where they were
recorded by Eights (1833) in 1829-30, lie far south of their present
range, and seem an improbable breeding ground for birds which normally
form colonies in the shelter of dense tussock grass. King penguins
incubate their single egg on the feet, incubating in summer and
rearing their chicks throughout the following winter. Parents
which lay early in one season and rear their chick successfully
undergo moult and breed later in the second season, but cannot
produce more than two chicks in three successive years.
King penguins sitting on eggs and bickering. (© PBS)
A King penguin demonstrating his prowess.
King penguin fact sheet. (PDF, 111k)

This publication includes images from Penguins which are protected by the
copyright laws of the U.S., Canada and elsewhere. Used under license.
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