Moseley's Rockhopper Penguin vs Snares Penguin

In short

Moseley's Rockhopper Penguin and Snares Penguin are both crested penguins with similar appearances, but they can be distinguished by their head and facial features. Moseley's Rockhopper Penguin has a more prominent supercilium and a distinct head shape, while the Snares Penguin has a more robust body structure and a less pronounced supercilium.

Identification tips

1. Look for the more pronounced yellow supercilium on Moseley's Rockhopper Penguin. 2. Observe the head shape; Moseley's has a distinct head profile. 3. Consider the location: Snares Penguin is only found on the Snares Islands. 4. Note the overall body build; Snares Penguin is slightly more robust.

Size

Both species are similar in size, but the Snares Penguin is slightly more robust in build.

Plumage

Moseley's Rockhopper Penguin has a more pronounced yellow supercilium that extends further back on the head, while the Snares Penguin's supercilium is less prominent. Both have similar black and white body plumage.

Behaviour

Both species exhibit similar behaviors typical of crested penguins, such as hopping on rocky terrain, but specific behavioral differences are not well-documented.

Habitat

Moseley's Rockhopper Penguin is found on subantarctic islands in the South Atlantic and Indian Oceans, while the Snares Penguin is restricted to the Snares Islands south of New Zealand.

Voice

Vocalizations are not well-documented for field differentiation, and both species have similar calls typical of crested penguins.