Head to head
New Zealand Sea Lion vs Australian Sea Lion
New Zealand Sea Lion
VS Australian Sea Lion
Both are among the rarest sea lion species alive, each shaped by an unusual trait not seen in most other pinnipeds.
| New Zealand Sea Lion | Australian Sea Lion | |
|---|---|---|
| Scientific name | Phocarctos hookeri | Neophoca cinerea |
| Distinguishing trait | Travels unusually far inland into forest | An unusually irregular breeding cycle |
| Breeding range | Auckland and Campbell Islands | Southern and western Australia |
| Breeding schedule | Follows a standard annual cycle | Varies considerably between colonies |
| Main threat | Fishing bycatch and disease | Fisheries bycatch and disease |
| Conservation status | Endangered | Endangered |
| Population trend | Decreasing | Decreasing |
| Habitat | Ocean, coastal | Coastal, ocean |
New Zealand Sea Lion vs Australian Sea Lion: common questions
Which one travels furthest inland?
The New Zealand sea lion travels furthest inland, regularly venturing deep into tussock grassland and even forest, a habit not typically documented in the Australian sea lion.
Which one has an irregular breeding cycle?
The Australian sea lion has this trait, with one of the longest and most irregular breeding cycles of any pinniped, varying considerably between colonies rather than following a fixed annual schedule.
Are both sea lion species endangered?
Yes, both the New Zealand sea lion and the Australian sea lion are classified as Endangered, each restricted to a limited breeding range and facing ongoing pressure from fishing bycatch and disease.