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Top 10 Smallest Birds in the World

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Birds have always captured our imagination with their diverse shapes, colors, and sizes. From soaring eagles to majestic peacocks, the avian world is full of wonders. However, among these fascinating creatures, some species stand out for their diminutive size. In this blog post, we will explore the top 10 smallest birds in the world, showcasing these tiny marvels of nature that demonstrate the incredible diversity of life on our planet.

10 Smallest Birds in the World

1. Bee Hummingbird (Mellisuga helenae) 

The Bee Hummingbird, also known as the Zunzuncito, is undoubtedly the smallest bird on Earth. Native to Cuba and the Isla de la Juventud, these miniature marvels measure a mere 2 to 2.4 inches (5-6 cm) in length and weigh around 1.6 to 2 grams. Despite their diminutive size, their presence is striking due to their vibrant colors and iridescent plumage.

Bee Hummingbird

Remarkably, these tiny birds possess incredible aerial agility, hovering in front of flowers while feeding on nectar using their specialized long, slender bills. Their rapid wing-beat of up to 80 times per second enables them to achieve remarkable feats in flight, making them a true wonder of the avian world.

2. Bumblebee Hummingbird (Atthis heloisa) 

The Bumblebee Hummingbird is another diminutive species belonging to the hummingbird family. Found primarily in Mexico, their tiny size ranges from 2.8 to 3.5 inches (7-9 cm) and weighs approximately 1.6 to 2 grams. Aptly named for their bee-like appearance, these birds have stunning iridescent feathers that shine in the sunlight. Like their larger relatives, Bumblebee Hummingbirds possess a remarkable ability to hover in mid-air as they feed on nectar from flowers using their specialized tongues.

Bumblebee Hummingbird

Despite their small size, they undertake incredible migratory journeys, covering vast distances to reach their wintering grounds in Central America. These extraordinary birds are a testament to the beauty and diversity of nature.

3. Wee Hummingbird (Mellisuga minima) 

The Wee Hummingbird, as its name suggests, is one of the tiniest hummingbirds in the world. Endemic to the island of Hispaniola in the Caribbean, these little gems measure around 2.4 inches (6 cm) in length, making them incredibly hard to spot amidst their tropical habitat. Their minute size is accompanied by exquisite plumage, showcasing a combination of green, blue, and bronze hues.


Wee Hummingbird

As with other hummingbirds, the Wee Hummingbird has a remarkable ability to hover in mid-air and move quickly from one flower to another, feeding on nectar using their specialized bills. Sadly, due to habitat loss and other threats, these little wonders face conservation challenges, emphasizing the importance of preserving their natural habitat.

4. Buff-breasted Hummingbird (Amazilia yucatanensis) 

The Buff-breasted Hummingbird, also known as the Yucatan Hummingbird, is a small bird found in the Yucatan Peninsula of Mexico and parts of Central America. Measuring around 3.5 inches (9 cm) in length, they are slightly larger than the previously mentioned species but still represent one of the smallest birds in the world.

Buff-breasted Hummingbird

Their name originates from the buff-colored feathers on their underparts, which beautifully contrast with their green and coppery upperparts. These tiny hummingbirds exhibit territorial behavior, defending their feeding and breeding areas with gusto. With a penchant for nectar-rich flowers, they play an essential role in pollination, contributing to the ecological balance of their habitat.

5. Vervain Hummingbird (Mellisuga minima) 

The Vervain Hummingbird, a species of hummingbird, is native to the islands of Jamaica and Hispaniola in the Caribbean. With a length of approximately 3 inches (7.5 cm) and weighing just a few grams, it is one of the smallest birds in the world. Its unique name comes from the vervain plant, which is thought to be a favorite source of nectar for this diminutive creature.

Vervain Hummingbird

Like other hummingbirds, the Vervain Hummingbird possesses brilliant iridescent plumage that shimmers in the sunlight, making it a dazzling sight to behold. These agile birds have a high metabolic rate, requiring constant feeding to sustain their energy levels. Their specialized long bills and incredible hovering abilities allow them to extract nectar from flowers with precision, showcasing the wonders of natural adaptation.

6. Elf Owl (Micrathene whitneyi) 

The Elf Owl, the world’s smallest owl, is a captivating and elusive bird found in the southwestern United States and parts of Mexico. Measuring around 5.75 inches (14.6 cm) in length and weighing only 1.4 ounces (40 grams), this owl species is about the size of a sparrow. With its unique appearance, characterized by a small rounded head, big yellow eyes, and a grayish-brown plumage, the Elf Owl has an almost magical charm.

Elf Owl

These nocturnal birds are masters of stealth, using their exceptional hearing and silent flight to hunt for insects and small prey under the cover of darkness. Despite their small size, they are accomplished predators and are known to nest in abandoned woodpecker holes or saguaro cacti, adding to their mystique in the arid desert landscapes they call home.

7. Goldcrest (Regulus regulus) 

The Goldcrest, also known as the Kinglet, holds the title of being the smallest bird in Europe. Native to the continent’s temperate forests, these dainty birds measure approximately 3.5 inches (9 cm) in length, with males and females looking similar. Despite their small size, they are not to be underestimated, as their high-pitched song and vibrant golden-yellow crest make them stand out in their woodland habitat.


Goldcrests have a voracious appetite for insects, spiders, and other invertebrates, often foraging actively among tree branches and foliage. Their tiny size enables them to access the tiniest crevices and forage efficiently, allowing them to maintain high energy levels and survive harsh winters.

8. Least Pygmy Owl (Glaucidium minutissimum) 

The Least Pygmy Owl, as the name suggests, is the smallest owl species in the world. Found in parts of Central and South America, it measures around 4 inches (10 cm) in length and is often mistaken for a small songbird due to its compact size. Despite its diminutive stature, the Least Pygmy Owl is a formidable hunter, preying on insects, small birds, and even small mammals under the cover of night.

Least Pygmy Owl

Their large, round yellow eyes provide excellent night vision, enhancing their hunting abilities. These solitary birds are typically found in dense forests and woodlands, where they perch inconspicuously to surprise their prey. Though elusive and rarely seen, their presence adds to the rich biodiversity of the tropical and subtropical regions they inhabit.

9. Rufous Hummingbird (Selasphorus rufus) 

The Rufous Hummingbird, a small yet mighty bird, is a widespread and migratory species found in North America. Measuring around 3.5 to 4 inches (9-10 cm) in length, this tiny jewel-toned hummingbird exhibits a remarkable iridescent plumage that ranges from fiery orange to reddish-brown. Known for its aggressive and territorial nature, the male Rufous Hummingbird fiercely defends its feeding territories during the breeding season.

Rufous Hummingbird

With a wingspan of approximately 4.3 inches (11 cm), it undertakes one of the longest migratory journeys of any hummingbird, traveling up to 3,000 miles from its breeding grounds in Alaska and western Canada to its wintering habitat in Mexico. A voracious nectar feeder, it plays a crucial role in pollination, contributing to the survival of various plant species along its migratory route. The Rufous Hummingbird is a symbol of strength, beauty, and resilience in the avian world.

10. Eurasian Treecreeper (Certhia familiaris) 

The Eurasian Treecreeper, a small passerine bird, is widely distributed across Europe and parts of Asia. Measuring around 4.7 to 5.1 inches (12-13 cm) in length, it possesses a unique and specialized adaptation that allows it to climb vertically along tree trunks in search of insects and spiders. Its brown and white streaked plumage provides excellent camouflage against tree bark, making it a challenging bird to spot despite its relatively larger size compared to the previously mentioned birds.

Eurasian Treecreeper

The treecreeper’s thin, downward-curved bill is perfectly suited for extracting insects hidden within crevices and bark. Unlike most other small birds, the Eurasian Treecreeper builds its nest behind loose bark or in tree crevices, providing safety and insulation for its clutch of eggs. Its melodious song adds to the ambiance of woodlands and forests, making this unassuming bird a charming presence in the natural world.

Video Credit – 4 Ever Green

Frequently Asked Questions

What is the smallest bird in the world?

The smallest bird in the world is the Bee Hummingbird (Mellisuga helenae), native to Cuba and the Isla de la Juventud. It measures only 2 to 2.4 inches (5-6 cm) in length and weighs around 1.6 to 2 grams.

Where can I find the Bumblebee Hummingbird?

The Bumblebee Hummingbird (Atthis heloisa) is primarily found in Mexico, and it is also known to inhabit parts of Central America.

What makes hummingbirds special?

Hummingbirds are unique due to their small size, rapid wing-beat, and ability to hover in mid-air. They have specialized long bills and tongues that allow them to feed on nectar from flowers, making them essential pollinators for many plant species.

Are Elf Owls common in the southwestern United States?

Elf Owls (Micrathene whitneyi) are relatively common in the southwestern United States and parts of Mexico, particularly in arid desert regions.

How far do Rufous Hummingbirds migrate?

Rufous Hummingbirds (Selasphorus rufus) undertake one of the longest migratory journeys of any hummingbird, traveling up to 3,000 miles from their breeding grounds in Alaska and western Canada to their wintering habitat in Mexico.

What is the habitat of the Eurasian Treecreeper?

Eurasian Treecreepers (Certhia familiaris) are typically found in woodlands and forests across Europe and parts of Asia. They are well-adapted to climbing vertically along tree trunks in search of insects and spiders.

How can I attract hummingbirds to my garden?

To attract hummingbirds to your garden, you can plant nectar-rich flowers such as trumpet vines, salvia, bee balm, and fuchsias. Providing a hummingbird feeder with a sugar-water solution can also entice these tiny birds to visit your outdoor space.

What is the role of hummingbirds in pollination?

Hummingbirds play a crucial role in pollination by transferring pollen from one flower to another while feeding on nectar. This process facilitates cross-pollination and helps in the reproduction of various plant species, contributing to ecosystem balance.


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  • Hey pet lovers ! I am Deepali H passionate pet lover and writer who enjoys sharing tips, facts and information about Pets .With 3 years of experience in the pet industry, I have a wealth of knowledge to offer readers. I hope you will like my articles. Thank you !

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