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A flightless bird, the Cassowary is closely related to the ostrich.

Cassowary

A flightless bird, the Cassowary is closely related to the ostrich.

The Emu, a native of Australia, is nearly as large as the Ostrich, but has shorter legs and neck and a thicker body. The wings are rudimentary and hidden beneath feathers of the body. It cannot fly but runs quickly.

Emu

The Emu, a native of Australia, is nearly as large as the Ostrich, but has shorter legs and neck and…

The Kiwi, a native of New Zealand is closely related to the Ostrich but much smaller. It is also a flightless bird.

Kiwi

The Kiwi, a native of New Zealand is closely related to the Ostrich but much smaller. It is also a flightless…

The extinct moa and the modern kiwi.

Moa

The extinct moa and the modern kiwi.

The partial skeleton of a moa, an enormous flightless bird once native to New Zeland, now extinct.

Moa skeleton

The partial skeleton of a moa, an enormous flightless bird once native to New Zeland, now extinct.

A flightless bird, the ostrich can run rapidly with its wings outstretched.

Ostrich

A flightless bird, the ostrich can run rapidly with its wings outstretched.

A flightless bird, the ostrich can run rapidly with its wings outstretched.

Ostrich

A flightless bird, the ostrich can run rapidly with its wings outstretched.

This south American ostrich can not fly, the wings being small; but it is a swift runner, equaling a horse in speed.

Ostrich

This south American ostrich can not fly, the wings being small; but it is a swift runner, equaling a…

A flightless bird, the rhea is closely related to the ostrich.

Rhea

A flightless bird, the rhea is closely related to the ostrich.