Which kinds of penguins are classified as endangered?

The following penguin species are classified as endangered by the International Union for Conservation of Nature (IUCN):

- African Penguin (Spheniscus demersus)

- Galápagos Penguin (Spheniscus mendiculus)

- Humboldt Penguin (Spheniscus humboldti)

- Magellanic Penguin (Spheniscus magellanicus)

- Northern Rockhopper Penguin (Eudyptes moseleyi)

- Snares Penguin (Eudyptes robustus)

- Yellow-eyed Penguin (Megadyptes antipodes)