Birds are very cute and loveable disregarding their sizes or shapes , some birds are so tiny and small while others are large and heavy , if you are wondering what are the biggest birds in the world then you have came to the right place , because in this list we will inform you about the Top Ten Biggest Birds In The World in addition to some extra information about those birds, so follow up with us below if you are interested .
10- King Penguin .
King Penguin is the biggest type of penguins , the average weight of a fully grown king penguin is 14 kilograms and can grow up to 1 meter tall , King Penguin feed on eating small sea creatures , King Penguin is a social bird due to the harsh circumstances of cold weather that forced king penguin to always stay near to the group to maintain heat .
9- Great Bustard .
This bird is the 9th biggest birds in the world and the heaviest flying bird in the world , a grown male great bustard weights about 21 kilograms grow to about a meter tall , However female Great Bustard are smaller than males , the life expectancy of a Great Bustard is about 10 years .
8- Lesser Rhea .
This bird is a flightless bird and it is found in South America , Lesser Rhea can grow up to 28 kilograms and one meter tall , although this bird can not fly but its long legs enables it to run up to 60km/hr .
7- Dwarf Cassowary .
The Dwarf Cassowary is the smallest species of all the other types of cassowaries , it can grow up to 20 kilograms and 105 cm long , the Dwarf Cassowary mainly feed on insects , fruits and other small creatures .
6- Greater Rhea .
This is a larger type of the former Lesser Rhea and it is also found mainly in South America , a Greater Rhea can grow up to 40 kilograms and 134 cm long , and it has a life expectancy of almost 10 years .
5- Emperor Penguin .
Emperor Penguin is the largest and heaviest type of all penguins , The Emperor Penguin can grow up to 31 kg half of the body weight is made up of fat stored behind the skin to keep this creature to survive in the harsh cold weather circumstances and 1.1 meters long , it has a life expectancy of up to 50 years .
4- Emu .
This bird is a flightless bird that is mainly found in Australia , Emus are not only among the biggest birds in the world it is also the second tallest bird in the world as it can reach 2 meters long and can grow up to 70 kilograms .
3- Northern Cassowary .
This is another flightless bird that belongs to the cassowary species , this bird can grow up to 75 kilograms and reach 149 cm , females are mainly larger than males and they feed on mainly fruits and insects .
2- Southern Cassowary .
The southern cassowary is the second biggest bird in the world , it can grow up to 85 kilograms and 155 cm , it lives on fruits , vegetables , insects and small animals , and it is too a flightless bird .
1- Ostrich .
Ostrich is the biggest bird in the world , it can grow up to 165 kilograms and 210 cm , although ostrich cant fly due to its heavy body but it can run to a very high speed , the average weight of an ostrich egg is 1.4 kilograms.