Seabird Osteology Skulls Large & medium sized Penguins

Spheniscidae

Large and Medium sized Penguins

Genus Aptenodytes

Two related species with rather long down curved bills.

King Penguin Aptenodytes patagonicus. Subantarctic and Antarctic zone of Atlantic, Indian and Australasian sector of Southern Ocean. Two subspecies:

A. p. patagonicus. Breeding South Georgia, Falklands.

A. p. halli. Breeding Marion. Pr. Edward, Crozet, Kerguelen, Heard and Maquarie Is.

Emperor Penguin Aptenodytes forsteri. Circumpolar in Antarctic zone

King Penguin Aptenodytes patagonicus

Location unknown

Culmen: 96.2 mm; total: 202 mm, unsexed adult

Genus Pygoscelis

Gentoo Penguin Pygoscelis papua. Two subspecies:
P. p. papua; Breeding Falklands, Staten, Pr. Edward, Marion, Crozet and Maquarie Is., South Georgia and Heard I.
P. p. ellsworthi. Breeding South Sandwich, South Orkney and South Shetland Is.
Chinstrap or Bearded Penguin Pygoscelis antarctica. Circumpolar Antarctic and Subantarctic zone.
Adelie Penguin Pygoscelis adeliae. Circumpolar Antarctic zone, breeds on many islands and coast of Antarctic mainland.

Chinstrap or Bearded Penguin Pygoscelis antarctica

King George Island 1)

Culmen: 44.6 mm; total: 123.4 mm (quadratums missing)

Adelie Penguin Pygoscelis adeliae King George Island 1) Culmen: 41.2 mm; total: 128.0 mm; unsexed adult

Genus Megadyptes

Yellow-eyed Penguin Megadyptes antipodes

¹⁾Courtesey of Mardik Leopold

Literature:

Williams, T.D., 1995, The Penguins, Spheniscidae, Oxford University Press, Oxford

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