10 of the biggest birds on Earth

Ostrich (Struthio camelus): The ostrich is the largest living bird species. It is native to Africa and can reach heights of up to 9 feet.

Emu (Dromaius novaehollandiae): Native to Australia, the emu is the second-largest living bird species. It stands at around 5 to 6.5 feet.

Southern Cassowary (Casuarius casuarius): The southern cassowary is a large, flightless bird native to the tropical forests of New Guinea and Australia.

Northern Cassowary: Similar in size to the southern cassowary, the northern cassowary is native to New Guinea and surrounding islands.

Andean Condor (Vultur gryphus): The Andean condor is one of the largest flying birds in the world. It has a wingspan of up to 10.5 feet.

Dalmatian Pelican (Pelecanus crispus): The Dalmatian pelican is one of the largest pelican species and has a wingspan of up to 9.5 feet (2.9 meters).

Greater Rhea (Rhea americana): Native to South America, the greater rhea is the largest bird in the Americas.

Kori Bustard (Ardeotis kori): The kori bustard is the largest flying bird native to Africa. It can stand at heights of up to 4 feet.

Mute Swan (Cygnus olor): Mute swans are among the largest waterfowl species. They can have a wingspan of up to 10 feet (3 meters) and weigh between 20 to 30 pounds.

Trumpeter Swan (Cygnus buccinator): Trumpeter swans are native to North America and are among the heaviest flying birds in the world.

   for   more stories..