There are thousands of bird species in the world. Some are so small like Bee hummingbirds, while others are so large. It is so interesting to see these birds in the sky. Some of them can not fly but their large body makes them unique. Here, I am going to discuss the top 10 largest birds in the world.

Top 10 largest birds in the world 

10. Wandering Albatross

Wandering Albatross
(largest flying bird)

The Wandering Albatross (largest wingspan bird), with a length of 10 feet, is the world's tenth largest bird. Its scientific name is Diomedea exulans and its 24 species exist in the Northern and Southern Pacific regions. They are rarely found on land. Their weight is approximately 11.9 kg.

For their food, Wandering Albatross relies on squids and fish. During the breeding period, they move towards islands. They lay one egg. Young Albatross starting fly within 2-3 months. Wandering Albatross is the largest bird in the word that can fly.

9. Dalmatian Pelican

Dalmatian Pelican

Dalmatian Pelican, scientifically known as Pelecanus Crispus, is the ninth largest bird in the world. Their length is almost 6 feet and their weight is about 13 kg. They are mostly found in rivers of Russia, Europe, India, and China.

Dalmatian Pelican depends on eels, fishes, catfish, and perch. Every day they eat fish of almost 2 kg. They are going to extinct due to the loss of habitats such as the drainage of swamps.

See also: Top 10 largest forests in the world

8. Mute Swan

Mute Swan

With a length of almost 5 feet, Mute Swan is the eighth largest bird in the world. Scientifically, they are known as Cygnus Olor. Their weight is approximately 11.87 kg. They are found in European countries.

Mute Swan eats fishes and insects. They lay 5-6 eggs. When they feel any threat they immediately attack. They take care of their nests and eggs very well.

7. Andean Condor

Andean Condor
(biggest bird of prey)

Andean Condor is the world's seventh-largest bird. Their length is almost 1.2 meters and their weight is up to 14 kilograms. Due to their large length, they can fly easily. Andean Condor is mostly found in the areas of South American coasts. California Condor is also the largest bird of prey.

For their food, they rely on dead animals. Their life span is almost 75 years. They rely on nests of other birds for their eggs. Andean Condor species are also going to extinct.

6. Kori Bustard

Kori Bustard

Kori Bustard, with a length of 9 feet, is the sixth largest bird in the world. Scientifically they are known as Ardeotis Kori. Their weight is almost 20 kilograms. Male Bustard is two times heavier than female.

Kori Bustard is mostly found in UK, Spain, and Portugal. They consume lizards, snakes, berries, insects, and seeds. They spend most of their time on land searching for insects.

5. Greater Rhea 

Greater Rhea

With a length of 4.5 feet and a weight of approximately 27kg, Greater Rhea is the fifth largest bird in the world. Their scientific name is Rhea Americana. They are mostly found in wetlands of South America. A small portion of Greater Rheas is also found in Germany and Altiplano.

Greater Rhea relies on lizards, insects, and small birds for their food. Female Rheas lay the utmost 50 eggs within the best. They start breeding in winters. Like Ostrich they have long legs which protect them from threats.

4. Emperor Penguin

Emperor Penguins

Emperor Penguins are the fourth largest birds in the world. Their high is almost 46 inches and their weight is 45 kilograms. Scientifically they are known as Aptenodytes Forsteri. They are mostly found in the Antarctica region.

Emperor Penguins consume kills, squid, and fish. During the breeding period, male Penguins eat nothing for two months while female penguins search the food. During this period, Male Penguins protect the eggs. Emperor Penguins breed in temperate islands such as Falklands.

3. Emu

Emu
(largest bird in Australia)

Emu, with a height of 6 feet and a weight of 60 kg, is the third-largest bird in the world. They are scientifically known as Dromaius Novehollandie. They are natives of the woodlands of Australia. They are also called the flightless bird of Australia.

For their food, Emu relies on seeds, lizards, and insects. They breed usually in the winter season. Female Emu lay eggs of 1 pound weight. Their one nest can protect 8-10 eggs. Due to its long legs, Emu can achieve a speed of 50 km/h.

2. Southern Cassowary 

Southern Cassowary 
second largest bird in the world

Southern Cassowary is the second largest bird in the world. Their height is 5.1 feet and their weight is almost 75-80 kilograms. They are scientifically known as Casuarius Casuarius. They are mostly found in the Australian and Indonesian rainforests. 

They breed mostly during the summer season. Female Cassowary lay 8-10 eggs, and incubate these eggs for 50 days. They can not fly but run at a speed of 30 miles per hour. The cassowary is also included in the list of endangered species.

1. Ostrich

Ostrich
(largest flightless bird)

Ostrich is the largest bird in the world. Their height is almost 6 feet and their weight is 150 kilograms. Ostrich runs at a speed of 70 kilometers per hour. That's why they are also known as the fastest birds in the world.

Ostrich is found in the areas of Africa. For food, they depend on shrubs, fruits, seeds, and insects. They can survive without for many days. Their strong legs help them in attacking. The female ostrich lays 50-60 eggs in a year. Some species of Ostrich are recognized as distinct species. Ostrich is the largest flightless bird in the world.