| Kingdom : | Animalia | Animals |
| Phylum : | Chordata | Vertebrates |
| Class : | Aves | This includes all birds. |
| Subclass : | Impennes | Swimming birds which have only rudimentary feathers |
| Order : | Sphenisciformes | This includes all living and extinct penguins. |
| Family: | Spheniscidae | It is the only family classification in the order Sphenisciformes. |
| Genus: Aptenodytes | |
| Species (scientific or latin name) |
Common (English) name |
| Aptenodytes forsteri | emperor penguin |
| Aptenodytes patagonicus Two subspecies:
|
king penguin |
| Genus: Pygoscelis | |
| Species (scientific or latin name) |
Common (English) name |
| Pygoscelis adeliae | adélie penguin |
| Pygoscelis papua Two subspecies:
|
gentoo penguin |
| Pygoscelis antarctica | chinstrap penguin |
| Genus: Spheniscus | |
| Species (scientific or latin name) |
Common (English) name |
| Spheniscus demersus | African or blackfooted or jackass penguin |
| Spheniscus humboldti | Humboldt penguin |
| Spheniscus magellanicus | Magellanic penguin |
| Spheniscus mendiculus | Galapagos penguin |
| Genus: Eudyptes | |
| Species (scientific or latin name) |
Common (English) name |
| Eudyptes pachyrhynchus | Fjordland penguin |
| Eudyptes sclateri | Erect crested penguin |
| Eudyptes robustus | Snares crested penguin |
| Eudyptes chrysocome Three subspecies:
|
rockhopper |
| Eudyptes chrysolophus | Macaroni penguin |
| Eudyptes schlegeli | Royal penguin |
| Genus: Eudyptula | |
| Species (scientific or latin name) |
Common (English) name |
| Eudyptula minor Six subspecies:
|
Fairy little blue or Kororaa penguin |
| Genus: Megadyptes | |
| Species (scientific or latin name) |
Common (English) name |
| Megadyptes antipodes | yellow-eyed penguin |