Birds are very adorable animals of various shapes and sizes. Flying gives birds the ability to migrate around the world (although today some birds can not fly). Starting from the North Pole to the south pole can be found anywhere.
Do you know the world's largest bird or the heaviest bird in the living world? Here is a list of the 10 largest and heaviest birds in the world.
1. Ostriches
Ostriches are the largest birds that live on Earth. Weighing an average of 104 kilograms and an average height of 2.1 meters of ostrich can run at high speed with strong long legs. Ostriches can spawn with the largest weight of about 1.4 kg. Historically the ostrich is an African bird. But this bird is also found in Australia and America.
Ostriches consume mainly fruits, grass, flowers and even reptiles like snakes, lizards when occasionally available. The male ostrich is a good father because it helps build nests, incubates eggs and guards the children.
2. Southern Cassowary
South cassowary is the second largest bird in the world with an average weight of 45 kilograms and an average height of 1.55 meters. This bird can not fly like an ostrich.
This bird is mainly found in the tropical rainforest of Indonesia, New Guinea, and the islands of northern Australia. This bird feeds on fruits, insects and vertebrates. The male southern cassowary incubates the egg and his own children.
3. Northern Cassowary
Northern cassowary has black fur but can not fly. Northern cassowary females are slightly larger than males with an average weight of 44 kg so that is considered the third most serious bird in the world. This bird is found on the islands of Yapen, Batanta, and Salawati. Fruits and small animals are included in the main diet.
4. Emu
Emu, relatively close to cassowary species, is native to Australia. This Australian national bird weighs an average of 33 kilograms. Emu can reach a height of 2 meters so as to make it include the second highest among other birds.
Emu has three sub-species. Two sub-species of which are novaehollandiae and woodwardi are widely found in several places across the country in Australia. The main diet consists of fruit, seeds, insects, some dead creatures such as rats, birds, insects etc.
5. Penguin Emperor
Emperor penguins dominate all other species by weight and length. This bird has a weight of about 31 kg (more than half of it is fat). The body fat behind the skin helps her to survive in extreme Antarctic winter (up to -65 degrees C).
Emperor penguins can grow up to 1.1 meters. The back and head of the emperor penguin is covered with black waterproof feathers that help him to capture as much sunlight as possible. The front of his body is covered by white waterproof feathers. The neck of the male and female emperor penguins has bright white whitish feathers.
Emperor penguins can live about 20 years in the wild nature. In ideal conditions this bird can live up to 50 years. Emperor penguins live only around the sea in Antarctica. Her weight and body length put the emperor penguin in the 5th largest bird in the world.
6. Great Rhea
The big rhea is another South American bird that can not fly. This bird has an average weight of 23 kilograms. Large rhea can be found in Brazil, Uruguay, Paraguay, Argentina and Bolivia. A large rhea can reach up to 1.3 meters high and weigh 40 kg. The average large rhea can live about 10 years in the wild. The body and construction of a large rhea is similar to a small rhea. The only thing that is different is the size and mass of the body. The great Rhea is the largest bird in South America and the 6th largest bird in the world.
7. Cassowary Cassowary
The dwarf cassowary weighs an average of 19.7 kilograms and an average length of 1.05 meters. This is the smallest of all cassowary species. This bird is mainly found in the forests of New Guinea, New Britain, and Yapen Islands. The dwarf cassowary is a solitary bird and paired with males in breeding season. This bird mainly feeds on insects, small animals, and falling fruits. The dwarf cassowary can not fly but with strong legs can run up to speeds of 48 km / h.
8. Little Rhea
The little Rhea, also known as the Darwin rhea, is a bird that can not fly. This bird is mainly found in the southern part of South America (Chile, Bolivia, Argentina, Peru). Small rhea can reach height of 1 meter and weight 28 kg. The small rhea has a small head and a relatively large body and neck. Despite his inability to fly, he can run at speeds of 60km / h. Sharp claws on 2 strong legs help to fight predators, protect eggs and dig for food. Little rheas survive by eating fruits and grass. During the mating period, the male rhea becomes very aggressive to protect its territory. Rhea Darwin is ranked 8th among the world's top 10 birds.
9. Big Bustard
The big bustard is the world's heaviest flying bird. One male bustard specimen weighs 21 kg. The average height of a male bustard is about 1 meter and the wingspan is 2.4 meters. Female bustard is smaller in dimensions than males. Bustards belong to omnivores and take different foods during different seasons. This helps her to live up to 10 years in the wild.
In a controlled environment, large bustards are known to live for up to 15 years. The top and tail of the bird is protected by brown & black wings, while the bottom and head are covered by whitish feathers. Big Bustard is the 9th largest bird in the world.
10. Penguin King
The king's penguin gets 10th place in the list of the world's top 10 birds. As the name implies, the bird is the king of all penguins and the largest of them. The king penguin weighs about 14 kilograms and can grow up to 1 meter. King penguins feed on krill, small fish, squid and other small marine animals. The harsh climate and extreme temperatures of the south forced the king penguins to become social.
Penguin kings are very social and help each other to gain heat during the ice storm. Penguin kings can dive regularly in the sea with a depth of 100 meters, and the highest record is 300 meters. Penguin kings mainly live in Antarctica and some sub-Antarctic islands.
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