Birds are one of the most amazing animals in the world, in addition to their fascinating flight abilities, they have colorful feathers and a variety of beautiful calls.

Here are ten of the cutest birds in the world.

1. Hummingbird

Hummingbirds are the smallest birds in the world and the only ones that can fly backward. It is only 5 cm long and weighs 2 grams. Females are slightly larger than males, and males have brighter feathers.

This is a lovely bird that can flap its wings 80 times per second when searching for food, and possibly up to 200 times per second during mating season. Hummingbirds' food is primarily nectar, and these species play a vital role in the pollination process.

2. Brown Broad-billed Warbler

One of Australia's smallest lovely birds, living in forested areas and sometimes close to human settlements. It can be 8-9.5cm long and weigh about 6 grams. Their nests are made of mud and grass. They are not migratory birds and live in the same area their entire lives. The main food is insects and seeds, often in small groups of three or five wandering in the eucalyptus woodland, and bushes, spending a lot of time in the woods looking for food.

3. Diamond Bird

Native to Australia, it is only 8 to 12 cm long. They live in eucalyptus forests, have short tails, and are similar in size and appearance to males and females. These lovely birds are an important part of the ecosystem as they help control lice populations.

4. Golden-headed fantail warbler

Widely distributed in India and Australia, it is a species of warbler. It is 10 cm long and weighs only 10 grams. Lives in farmland, grasslands, and wetlands and is one of the best builders. The males have bright gold and cream plumage, while the females have a dark brown body with a cream underbelly and feed mainly on insects and seeds.

5. Kinglet

This species is found in northern Europe, and the males are colorful, with an olive-green body and buff belly, while the females are completely yellow. They live in hardwood forests and gardens common in Europe and are known for their high-pitched melodies.

6. Red-footed Bitter Bird

They only grow to 10 cm and spend most of their time in the treetops. Their main food is small flying insects, which are found in coastal areas and woodlands throughout China. This lovely bird is completely grey with black stripes on its wings.

7. American Goldfinch

This little bird is found throughout the United States and is the state bird of three states: Washington, Iowa, and New Jersey. They usually live in groups and can grow up to 14 cm long and weigh up to 20 grams. They are migratory birds that migrate from the northern United States to Mexico in winter. In different seasons, their calls and songs are different.

8. Banana Warbler

This small bird is distributed in South and Central America, and its size is between 10 cm and 13 cm. The staple food of this bird is nectar and small insects, which can be distinguished by subtle differences in color and morphology.

9. Green-backed Warbler

Found in the southern United States and Mexico, this lovely bird is one of the smallest birds in North America. There are about 14, each with a slightly different color. Generally speaking, males are smarter than females, with a blue head and back and pale yellow underparts, and it feeds mainly on insects, berries, and seeds.

10. Crimson Aussie

This unique bird is endemic to Australia and one of the many smaller birds found on the mainland. It is about 13 cm in length and weighs 13 grams. As the name suggests, the male bird has a dark red head and breast, while the female bird has less vibrant colors, and brown and pink plumage, and this bird usually inhabits dry areas and grassy areas.