Titans Of The Sky : 15 Largest Birds In The World

Largest Birds In The World

Hello Readers, Today we will talk about “15 Largest Birds In The World”. Some of the world’s largest birds can stand taller than an NBA player and spread their wings broader than a king-sized bed. There are about 10,000 species of birds on Earth, and they come in all shapes and sizes, from the tiny little hummingbird to the huge ostrich.

Largest Birds In The World

Here are 15 largest birds in the world.


Largest Birds In The World

Scientific Name: Dromaius novaehollandiae

Height: Up to 2 meters

Weight: Up to 70 kg

Speed: 48 km/h

Habitat/ Region: Australia

EMU is 2 meters tall and 70 kilograms. Emu’s scientific name is “Dromaius novaehollandiae”. Emu’s height up to 2 meters ( 6.2 feet ) and weight up to 70kg. Emu are also fast birds, capable of reaching 48 kilometres per hour while running. They use their three-toed feet and short wings to stay stable. 

Greater Rhea

Largest Birds In The World

Scientific name: Rhea americana

Conservation status: Near Threatened (Population decreasing)

Weight : Up to 30 kg 

Family: Rheidae

Genus: Rhea

Height : 1.5 meters ( 5 Feet )

Speed : 40 k/h

Although these birds look like young ostriches, rhea are their South American cousins. Rhea, while being only about one-fifth the size of an adult ostrich, can weigh 66 pounds (30 kilograms) and grow to be 5 feet tall (1.5 meters). Rhea are flightless birds that, like ostriches, use their wings to balance themselves while sprinting at speeds of up to 40 miles per hour. Female rhea lay up to 40 eggs per breeding season, however males of the species indicate the eggs for roughly 30 days before they hatch.

Common Ostrich

Largest Birds In The World

Scientific name: Struthio Camelus

Family: Struthionidae

Kingdom: Animalia

Weight : Up to 130kg

Speed : 45 mph (72 k/h)

Height : Up to 2.7 meters

The common ostrich, scientifically known as Struthio camelus, is the world’s largest and heaviest bird. These amazing birds can reach heights of up to 9 feet (2.7 meters), with lengthy necks and legs. What distinguishes them is their exceptional running ability, reaching speeds of 45 miles per hour (72 kilometers per hour). In addition to their height and speed, common ostriches are known for their omnivorous food as well as their curious and gregarious demeanor.

Kori Bustard

Largest Birds In The World

Mass: 5.5 – 19 kg Encyclopedia of Life

Scientific name: Ardeotis kori

Conservation status: Near Threatened (Population decreasing) Encyclopedia of Life

Class: Aves

Family: Otididae

Genus: Ardeotis

Order: Otidiformes

The Kori bustard (Ardeotis kori) is Africa’s largest flying bird and one of the heaviest flying living birds. It is a member of the bustard family, all of which are classified as Otidiformes and are only found in the Old World. Ardeotis is a large-bodied genus with four species. They weighing an average of 11.4 kg and measuring 150 cm long. 

Trumpeter Swan

Largest Birds In The World

Mass: 9.5 – 14 kg Encyclopedia of Life

Scientific name: Cygnus buccinator

Family: Anatidae

Genus: Cygnus

Kingdom: Animalia

Height : 6 Feet ( 1.8m )

Weight : 16 kg

The trumpeter swan (Cygnus buccinator) is the heaviest flying birds in the world. These trumpeter swan structure is beautiful and elegant. Trumpeter Swan is Pure white and Neck curved in a “C” shape. Trumpeter Swan’s Height up to 6 feet (1.8 m) and Weight’s up to 35 pounds (16 kg). The Trumpeter Swan found in Europe, Asia, and North America. Prefers lakes, ponds, and slow-moving rivers. Trumpeter Swans belong to the Anatidae (Duck family).

California Condor

Largest Birds In The World

Scientific name: Gymnogyps californianus

Mass: 9 – 11 kg Encyclopedia of Life

Family: Cathartidae

Genus: Gymnogyps

Kingdom: Animalia

The California Condor is the largest bird in North America, with a wingspan of 3 meters (9.8 feet) and a weight of up to 12 kilograms (26.6 pounds). Their diet consists primarily of carrion, such as deer, cattle, sheep, rabbits, and rodents.

Eurasian Black Vulture

Largest Birds In The World

Mass: 7.5 – 14 kg (Female, Adult), 6.3 – 12 kg (Male, Adult)

Scientific name: Aegypius monachus

Conservation status: Near Threatened (Population decreasing) Encyclopedia of Life

Family: Accipitridae

Class: Aves

Kingdom: Animalia

Order: Accipitriformes

The cinereous vulture is a big raptor in the Accipitridae family that lives across much of temperate Eurasia. It is also known as the black vulture, monk vulture, or Eurasian black vulture.

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Dalmatian Pelican

Largest Birds In The World

Mass: 9.5 kg Encyclopedia of Life

Scientific name: Pelecanus crispus

Family: Pelecanidae

Genus: Pelecanus

Kingdom: Animalia

Order: Pelecaniformes

Wingspan: Rivaling those of albatrosses, up to 3.4 meters (11 ft)

 Dalmatian pelicans are the heaviest and one of the largest flying birds on the planet. Dalmatian Pelican is 2 meters tall and 15 kilograms in weight. Dalmatian Pelican is 2m in height. It is often found in rivers, lakes, and estuaries in Southeastern Europe, Russia, India, and China. The Dalmatian pelican (Pelecanus crispus) is native to Eurasia. They are sociable birds that live primarily in cluster foam.

Emperor Penguin

Largest Birds In The World

Height: 1.1 – 1.3 m (Adult)

Mass: 23 kg (Male, Adult, After the breeding season), 23 kg (Female, Adult, After the breeding season)

Scientific name: Aptenodytes forsteri

Conservation status: Near Threatened (Population stable) Encyclopedia of Life

Lifespan: 15 – 20 years (In the wild)

Class: Aves

Domain: Eukaryota

Emperor penguins (Aptenodytes forsteri) are the tallest and heaviest of all penguin species. Its sole known habitat is Antarctica. Both male and female emperor penguins are flightless and homozygous in size and coloration to females, however they have different tasks during breeding season.

During the gloomy Antarctic winter, 100 male Emperor penguins band together for two months to protect their eggs from the freezing cold, while the female species hunt at sea. Males lose around half of their body weight during this time.

Harpy Eagle

Largest Birds In The World

Mass: 6 – 9 kg (Female), 4 – 5 kg (Male)

Scientific name: Harpia harpyja

Class: Aves

Family: Accipitridae

Genus: Harpia; Vieillot, 1816

Kingdom: Animalia

Order: Accipitriformes

Harpy Eagles are the world’s most powerful eagles, weighing 9 kg (19.8 lbs.) and having a wingspan of 2 meters (6.5 feet). Their wingspan is substantially shorter than that of other great birds since they must move in heavily forested areas. These raptors have extraordinarily long talons and a powerful grasp capable of breaking a human arm. The Harpy Eagle preys mostly on sloths, monkeys, and large birds.


Largest Birds In The World

Scientific name: Balaeniceps rex

Family: Balaenicipitidae

Weight : 4-7 kg (8.8-15.4 lb)

Genus: Balaeniceps; Gould, 1850

Height :  Up to 110-152 cm (43-60 in)

Kingdom: Animalia

Order: Pelecaniformes

The single shoebill stork (Balaeniceps rex) is a large bird. It can reach a height of approximately 1.7 meters. Male species are often taller than females and have much longer bills. The entire shoebill is bluish-grey, with black-tipped and slaty feathers trimmed with green. Shoebills are predominantly carnivorous birds.

They are big in size and have massive beaks that allow them to hunt anything from water snakes to catfish, and occasionally even monitor lizards. They are Large, bulbous, and straw-colored with sporadic gray patterns, similar to a clog or shoe. The body is various shades of gray, with deeper hues on the head and wings.

Domestic Turkey

Largest Birds In The World

Lifespan: 10 years

Scientific name: Meleagris gallopavo f. domestica

Class: Aves

Domain: Eukaryota

Family: Phasianidae

Genus: Meleagris

Domestic turkeys and wild turkeys are the same species, and they are native to North America. Domestic turkeys (Meleagris gallopavo f. domesticus), unlike wild turkeys, are unable to fly due to selective breeding for their hefty weight. They are unable to fly due to their thick breast muscles, and their breast meat is white.

Andean Condor

Largest Birds In The World

Mass: 7.7 – 15 kg Encyclopedia of Life

Scientific name: Vultur gryphus

Class: Aves

Domain: Eukaryota

Family: Cathartidae

Genus: Vultur; Linnaeus, 1758

Kingdom: Animalia

The Andean condor is the world’s largest raptor and has the second-largest wingspan of any bird, measuring over 10.5 feet (3.2 meters). Along with their amazing wingspan, these birds can soar up to 18,000 feet (5,500 meters) above the Andes’ summits. Because of their enormous wingspan, these birds can easily travel along air currents without expelling much energy. Andean condors are a type of vulture that, like many vulture species, scavenges food from dying or deceased animals. A single meal contains approximately 15 pounds (6.8 kilograms) of carrion (dead or decomposing flesh). The Andean condor has a long lifespan in the wild, lasting roughly 50 years, and up to 80 years in captivity.

Lesser Rhea

Largest Birds In The World

Scientific name: Rhea pennata

Mass: 20 kg Encyclopedia of Life

Conservation status: Least Concern (Population decreasing) Encyclopedia of Life

The smaller rhea (Rhea pennata) is around 1 meter tall and weighs roughly 25 kilos. It is predominantly found in South America. Lesser rheas live alone or in small groups, with males caring for their young.


Largest Birds In The World

Scientific name: Casuarius

Class: Aves

Genus: Casuarius; Brisson, 1760

Kingdom: Animalia

Order: Casuariiformes

Phylum: Chordata

Southern cassowaries (Casurius curious) have dark glossy plumage and are huge. The southern cassowary bird is found in northeastern Australia, Indonesia, and New Guinea. It’s a big, flightless blackbird.

They are one of three cassowary species and go by the names double-wattled cassowary, Australian cassowary, and two-wattled cassowary. The southern cassowary, also known as the fourth-largest bird in the world, is regarded as the most hazardous bird in the world.


Birds are a wonderful aspect of the world. As a result, we must all take appropriate action to help birds survive and prevent their extinction. Birds are essential to our environment and its maintenance, thus we must all protect them.

Frequently Asked Questions

Q1. Who’s the tallest bird in the world?

Answer : Common ostrich is the Tallest extant birds in the world.

Q2. Which bird has largest wingspan ?

Answer: A wandering albatross has the largest wingspan of any bird, 3.5 meters (11.5 feet) tip to wing tip.

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