Interesting Birds That Start With O

Birds are a group of warm-blooded vertebrates, categorized through their toothless beaks, lightweight skeletons, and feathers.

They come in a range of different shapes and sizes, with over 10,000 species of birds around the world!

Interesting Birds That Start With O

Have you ever wondered what birds start with the letter ‘O’?

Whether you’re a hiking enthusiast or bird-watcher and want to extend your knowledge on the different types of birds. Well, you’re in luck, as we have compiled a detailed list of birds starting with O. From Owls to Ospreys, these birds are among the best of their kind.

Ovenbird (Seiurus Aurocapilla)

Ovenbird (Seiurus Aurocapilla)

The Ovenbirds are a part of the New World Warbler family. These are tiny songbirds located in the Americas.

They are known to breed in evergreen forests, mixed deciduous-coniferous woodlands, and densely forested areas of North America. During the winter, they will travel to Central and South America.

Although, they could be considered quite the night owls due to their unusual migrating habits, which is only during the nighttime.

Both sexes of the adult Ovenbirds are sexually monomorphic and share similar appearances. These include white under-parts covered in extensive black stripes and olive-brown upper parts.

The feathers located on top of their heads contain a crest-like structure, which consists of two black stripes and an orange patch in between. These birds are typically insectivorous and feed on caterpillars, beetles, true bugs, flies, and ants.

Orchard Oriole (Icterus Spurius)

Orchard Oriole (Icterus Spurius)

The Orchard Orioles are the smallest member of the icterid family. They are a New World Blackbird variety located within North America.

Orchard Orioles are migratory birds and breed in semi-open spaces containing brushy orchards and scattered trees. In the winter seasons, they usually migrate in large flocks.

They can be characterized by their pointed bill, medium-length tail, and rounded head. The adults present a strong sexual dimorphism, whereby the males have a black head and neck, with wings containing a reddish-chestnut pattern.

While their female counterparts can be categorized by their olive-yellow plumage containing two wing bands.

Osprey (Pandion Haliaetus)

Osprey (Pandion Haliaetus)

Also known as the Fish Hake, Sea Hawk, or River Hawk, the Osprey bird is a cosmopolitan rapport species located all over the world, the only exception being Antarctica.

These birds of prey are migratory and compared to other birds, migrate at a much slower rate. Ospreys are primarily piscivorous and almost exclusively eat fish.

Although, you may see them feeding on small reptiles, rodents, and on rare occasions; other birds.

These birds can be categorized by the brown upper parts, with mainly gray underparts and heads. Between the adult sexes, there is little dimorphism.

The only difference is that female Ospreys have longer wingspans and a darker plumage when compared to their male counterparts.

Olive Tanager (Chlorothraupis Carmioli)

Also known as ‘Carmiol’s Tanager’ named after the German naturalist, Julian Carmiol. These Olive Tanagers are tanagers that have more similarities to cardinals than with other tanagers.

These birds are endemic to South and Central America, where they can be found inhabiting degraded historical forests and wet lowland forests.

Olive Tanagers can be classified through their robust bodies, containing drab olive-green upperparts and paler underparts. Whereas, their throats contain a light-yellow patch.

The males can be identified from their female counterparts through their heavily streaked plumages. Whereas female Olive Tanagers present a more unmarked, paler.

Ocellated Turkey (Meleagris Ocellata)

Ocellated Turkey (Meleagris Ocellata)

Ocellated Turkeys are a large species of turkey located in South America. According to the IUCN, these birds are listed as Near-threatened Species.

These turkeys can be categorized by the blue heads surrounded by yellow and red nodules, with large iridescent patches found on their tails. Adult Ocellated Turkeys exhibit a strong sexual dimorphism.

For one, the males are noticeably larger, containing feathers with a combination of green and golden iridescent hues. Whereas the female counterparts are much smaller and display a duller plumage, typically in gray and brown hues.

Oak Titmouse (Baeolophus Inornatus)

Oak Titmouse (Baeolophus Inornatus)

These Oak Titmouse are small passerine birds that are a part of the tit family. They can be located in oak-pine forests and the open woodlands of North America.

In nature, the birds are non-migratory, whereby they reside within their breeding habitats throughout the year.

Olive Titmice demonstrate tiny bodies, although this is generally typical for the tit species.

Their plumage contains colors of mainly grayish-brown, with small, gray crests found on the tops of their heads. Likewise, their underparts are paler when compared to their upper body.

These birds lack sexual dimorphism, meaning that both sexes of adult Oak Titmice appear identical.

Oasis Hummingbird (Rhodopis Vesper)

Oasis Hummingbird (Rhodopis Vesper)

These are a particular South American hummingbird species. They will primarily be found inhabiting coastal regions within their range.

Oasis Hummingbirds showcase a unique cinnamon-colored abdomen, with an olive-green back, and gray-white chest.

Both adult Oasis Hummingbirds are sexually dimorphic. The males contain a large forked tail and colorful gorget, whereas the female hummingbirds lack a forget and have a significantly smaller tail.

Olive Ibis (Bosterychia Olivacea)

Located within the tropical woodlands of Central Africa, these Olive Bises are considered an African ibis species and contain four recognized subspecies.

These birds are solitary breeders. Although they are currently considered a Least Concern Species, due to habitat destruction, their population is heading towards a steady decline.

These Olive Ibises are regarded as quite small when compared to their other ibis counterparts. Moreover, they exhibit golden and green iridescent tinges with a dark brown body.

Beneath their eyes, they present two pale stripes. Whereas; their coverts and tails are covered in dark blue colors.

Final Thoughts

There are many different species of birds starting with the letter O. Big birds, small birds, and everything in between.

Whether you’re an avid bird-watcher or competing in a game with your friends to name as many birds with the letter O as you can. Hopefully, this guide has informed you about some birds starting with the letter O.

Olivia Kepner