Top 10 largest birds in the world

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Top 10 largest birds in the world

The small beautiful birds are always around in nature by making sweet sound. So the chances for thinking about heavy birds seems very little. But there are number of flying and non flying birds with noticeable massive body. Following are list of 10 largest living birds in the world, includes both flying and nonflying birds.


Location: Africa

Height: 2.1-2.3m

Weight: 63-145 kg


The ostrich is the first largest bird on earth. Ostrich cannot fly with their heavy wings but they can run at high speed using their legs. It lay the heaviest eggs weighing about 1.4kg.The bird were lawn all over the world for its feathers, which are decorative and are also used as feather dusters. Its skin is used for leather products and its meat is marketed commercially, with its leanness a common marketing point. They mainly consume seeds, shrubs, grass, fruit and flowers; occasionally they also eat insects such as locusts.

When the ostrich bird eating, they fill their gullet with food, which is in turn passed down their oesophagus in the form of a ball called a bolus.

Southern cassowary

Location: Indonesia

Height: 155cms

Weight: 85 kg

southern cassowary

It is a double wattled cassowary, is the second largest bird in the world. The eggs of the cassowary measuring 95mms. It consumes the fallen fruit and is capable of safely digesting some fruits toxic to other animals. They also eat fungi, and some insects and small vertebrates. The blade-like claws are capable of killing humans and dogs if the bird is provoked. The male incubates the egg and rare the chicks alone.

Northern cassowary

Location: yapen, batanta, salawati

Height: 149cms

Weight: 75 kg

northrn cassowary

This cassowary is the third largest flightless bird, singled wattled with black is a shy and solitary bird. Their diet consists mainly of fruits and small animals. They make grunting and hissing sounds, like other cassowaries.


Location: Australia

Height: 190cms

Weight: 70 kg


The emu is the 4th largest bird has soft-feathered, brown, flightless birds. Emus do not sleep continuously at night but in several short stints sitting down. The eggs are on average by 89 millimetres. Newly hatched chicks are active and can leave the nest within a few days of hatching. They stand about 12 centimetres tall at first.

Emperor penguin

Location: Antarctica

Height: 122cm

Weight: 22 -45 kg

emperor penguin

The Emperor penguin is the 5th tallest and heaviest of all living penguins. Body fat behind the skin helps to survive in the high temperature. The back portion and the heads is covered with black waterproof feather helps to capture as much heat from the sunlight. It lives around 20 to 50 years.

Greater Rhea

Location: South America

Height: 135cm

Weight: 40 kg

greater rhea

The Greater rhea is the 6th largest bird and averagely lives about 10years. In fields and plantations they do not like to eat. They eat only cereals or eucalyptus, the greater rhea can be a species quite beneficial to farmers. It will eat any large invertebrate it can catch; its food includes locusts and grasshoppers, true bugs, cockroaches, and other pest insect.

Lesser Rhea

Location: South America

Height: 100cm

Weight: 30 kg

lesser rhea

Lesser Rhea is also known as Darwin’s Rhea is the 7th largest has a small head and a relatively big body and can run fast. The males of this species become aggressive once they are incubating eggs. Sharp claws in its powerful legs help to fight with predators to protect the eggs and dig for consumes fruits and grasses.

King penguin

Location: Antarctica

Height: 92cm

Weight: 20 kg

king penguin

King penguins is the king of all penguins and largest than other. King penguins are social because of the temperature and circumstances it helps each other. Daily it swims for at least 100kms. This largest bird eats small fish, mainly lantern fish, and squid and rely less than most Southern Ocean predators on krill and other crust oceans.

Wandering albatross

Location: Southern ocean

Height: 3.5m

Weight: 10 kg

wandering albatross

The wandering albatross, snowy albatross, white-winged albatross is a largest sea bird has the largest wingspan of any living bird, typically ranging from 2.51 to 3.5m. The wandering albatross breeds every other year. They lay one egg that is white, with a few spots, and is about 10 cm long. They are night feeders, feeds cephalopods, small fish, and crustaceans. After eating excess at times they are unable to fly take rest in water. They can also make shallow dives.

Great Bustard

Location: Europe, Asia

Height: 110cm

Weight: 21 kg

great bustard

Great bustard is the largest bird. This species is omnivorous, taking different foods in differing seasons. Lives up to 10years of lifetime. The great bustard breeds in March, and a single male may mate with up to five females. One to three olive or tan coloured, glossy eggs are laid by the female in May or June.

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