The classification of the Brown kiwi is as follows:

Kingdom: Animalia

Phylum: Chordata

Class: Aves

Order: Struthioniformes

Family: Apterygidae

Some authorities report there are five species of the Brown kiwi, but this varies according to the source:

• North Island Brown (Apteryx mantelli),
• Okarito Brown (Apteryx rowi)
• South Island Brown (Apteryx australis australis)
• Southern brown (Apteryx australis)
• Stewart Island brown (Apteryx australis lawryi)

The Okarito Kiwi, or Rowi (Apteryx rowi) is critically endangered.

The brown kiwi (Apteryx mantelli) is endangered.

The little spotted kiwi (Apteryx owenii), great spotted kiwi (Apteryx haastii) and tokoeka(Apteryx australis) are classified as vulnerable.

There are five species of kiwis, and their conservation status varies.

The Okarito Kiwi, or Rowi (Apteryx rowi) is critically endangered.

The brown kiwi (Apteryx mantelli) is endangered.

The little spotted kiwi (Apteryx owenii), great spotted kiwi (Apteryx haastii) and tokoeka(Apteryx australis) are classified as vulnerable.

There are five species of kiwis (some sources say seven), and their conservation status varies.

The Okarito Kiwi, or Rowi (Apteryx rowi) is critically endangered.

The brown kiwi (Apteryx mantelli) is endangered.

The little spotted kiwi (Apteryx owenii), great spotted kiwi (Apteryx haastii) and tokoeka(Apteryx australis) are classified as vulnerable.

The conservation status of the kiwi varies according to the species. There are five species of kiwi, and two of them are endangered.

The Okarito Kiwi, or Rowi (Apteryx rowi) is critically endangered and the brown kiwi (Apteryx mantelli) is endangered.

The little spotted kiwi (Apteryx owenii), great spotted kiwi (Apteryx haastii) and tokoeka(Apteryx australis) are classified as vulnerable.