Biggest Birds in the World Top 10 and Largest Birds in the World List are given here with photos for your knowledge.
Largest Birds in the World List
| Sl. No. | Bird |
| 1. | Ostrich |
| 2. | Southern Cassowary |
| 3. | Emu |
| 4. | Emperor Penguin |
| 5. | Greater Rhea |
| 6. | Turkey |
| 7. | Mute Swan |
| 8. | Kori Bustard |
| 9. | Wandering Albatross |
| 10. | Dalmatian Pelican |
Top 10 Biggest Birds in the World
1. Ostrich
Ostrich is the biggest bird in the world and it Tops the Top 10 List. No other bird in this world is as big as Ostrich.
| Scientific Name | Struthio camelus |
| Weight | 65kg to 145kg |
| Height | up to 6 feet |
| Native | Africa |
Quick Facts
- There are two types of species, namely common ostrich and Somali ostrich.
- Ostrich are native to Africa.
- Ostrich lays the largest egg in the world by a bird.
- They have the speed of 70 kmph and are the fastest bird in land.
- Ostrich have height up to 6 feet.
- Like Camel, Ostrich can also live without water for many days.
- Ostrich can lay up to 60 eggs in a year.
2. Southern Cassowary
| Scientific Name | Casuarius casuarius |
| Weight | 45kg to 70kg |
| Length | up to 155 cm |
| Native | Indonesia, Australia, New Guinea |
Quick Facts
- There are three types of species, namely Southern cassowary, dwarf cassowary and Northern cassowaries.
- Pygmy cassowary is an extinct fourth species.
- Has a speed of 30 mph. They can’t fly.
- Its a dangerous bird and can even kill humans.
- Cassowary is the world’s most dangerous bird.
- Cassowary can swim very well.
3. Emu
| Scientific Name | Dromaius novaehollandiae |
| Weight | 33kg to 50kg |
| Height | up to 1.9 meters |
| Native | Australia |
Quick Facts
- Emus are flightless birds and can run up to a speed of 50 km/h.
- Eggs are dark green in colour.
- Tasmanian emu and King Island emu are the extinct species of Emu.
4. Emperor Penguin
| Scientific Name | Aptenodytes forsteri |
| Weight | 22kg to 40kg |
| Height | up to 114 cm |
| Native | Antarctica |
Quick Facts
- These are flightless birds.
- They lay only one egg at a period.
- Male protects the egg for 2 months without having food for it.
5. Greater Rhea
| Scientific Name | Rhea americana |
| Weight | 20kg to 30kg |
| Length | 134 cm |
| Native | South America |
Quick Facts
- There are two species namely the greater or American rhea (Rhea americana) and the lesser or Darwin’s rhea (Rhea pennata).
- These are also flightless birds.
- They can run at a speed of 35 km/h.
6. Turkey
| Scientific Name | Meleagris gallopavo |
| Weight | 12kg to 15kg |
| Length | up to 124 cm |
| Native | North America |
Quick Facts
- There are two species namely, the wild turkey (Meleagris gallopavo) and the ocellated turkey (Meleagris ocellata).
- Turkeys are domesticated around 2000 years before itself.
7. Mute Swan
| Scientific Name | Cygnus olor |
| Weight | up to 12 kg |
| Length | up to 170 cm |
| Native | Europe |
Quick Facts
- These birds look very beautiful, but take care very well of its nest and eggs and hence it attacks anyone who threatens them.
8. Kori Bustard
| Scientific Name | Ardeotis kori |
| Weight | up to 11.4 kg |
| Length | up to 150 cm |
| Native | Africa |
9. Wandering Albatross
| Scientific Name | Diomedea exulans |
| Weight | up to 12 kg |
| Native | Pacific ocean |
Quick Facts
- Some of these birds fly more than 120000 km in a year.
- Other names are the snowy albatross, the white-winged albatross, the goonie.
- There are 24 different species.
10. Dalmatian Pelican
Dalmatian Pelican is one of the Biggest Birds in the World.
| Scientific Name | Pelecanus crispus |
| Weight | up to 12 kg |
| Length | up to 183 cm |
| Native | South East Europe, Russia, India and China |
Quick Facts
- Their bills have a length of up to 18 inches, being the second largest bird bill of the world. (Australian Pelican hold the first place).
- In their life span, they mate with only one life partner.
