Corella Species: Overview of the Different Types of Corellas

Corella Species
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Corella species are a group of white cockatoos that are native to the Australasian region.

They are known for their distinctive appearance and vocalizations, as well as their intelligence and social behavior.

There are six species of corella, three of which are found primarily in Australia and three endemic to the Philippines, Indonesia, and the Solomons.

One of the most recognizable features of corellas is their erectile crest, which they can raise or lower depending on their mood or level of agitation.

They are primarily white, with some species having small pink patches around the eyes and chin.

Corellas are very social birds, often seen in large flocks, particularly around water sources where they come to drink and bathe.

They typically roost in trees and nest in hollows but can also be found on the ground, feeding on seeds and roots.

Overall, corella species are fascinating birds that are well-adapted to their environments.

Their unique appearances and vocalizations make them easy to identify, and their social behavior and intelligence make them a joy to observe in the wild.

Whether you are a bird enthusiast or simply curious about these fascinating creatures, there is much to learn and appreciate about corellas and their place in the natural world.

Different Types of Corellas (Corella Species)

1. Long-billed Corella

Long-billed Corella
by Degilbo on flickr is licensed under CC BY-NC-ND 2.0

The Long-billed Corella, also known as Slender-billed Corella, is a medium-sized white cockatoo species that is native to Australia.

Its scientific name is Cacatua tenuirostris, and it belongs to the family Cacatuidae and the subgenus Licmetis.

The Long-billed Corella has a small crest and a long, pointed upper mandible used to dig for roots and seeds.

The body of this bird is entirely white, with pink patches around the eye and chin. It typically occurs in grassy habitats and is often seen feeding in parks or sporting grounds.

During the breeding season, Long-billed Corellas form large flocks and roost in trees or tree hollows.

They build their nests in tree hollows or cavities, and both males and females take part in incubating the eggs and feeding the chicks.

The Long-billed Corella is native to eastern and central Australia, and it is considered a pest in some farmlands where it feeds on cereal crops such as wheat and barley.

The bird also feeds on bulbs, grains, and fruit, including pears.

The IUCN lists the Long-billed Corella as a species of Least Concern, and it is not considered to be threatened.

However, it is sometimes confused with the Blood-stained Cockatoo (Cacatua sanguinea), which is listed as vulnerable due to habitat loss and hunting.

In terms of identification, the Long-billed Corella is similar in appearance to the Little Corella (Cacatua sanguinea), but it has a longer beak and a pink patch on its face. It is also larger than the Little Corella and is known to be noisier.

In summary, the Long-billed Corella is a white cockatoo species that is native to Australia.

It feeds on roots, seeds, and fruit, and it is known to form large flocks during the breeding season.

While it is not considered to be threatened, it is sometimes considered a pest in farmlands where it feeds on cereal crops.

2. Western Corella

Western Corella
by nodeworx is licensed under CC BY-NC-SA 2.0

The Western Corella (Cacatua pastinator) is a species of white cockatoo endemic to southwestern Australia.

It is also known as the Western Long-billed Corella and is one of six species of the subgenus Licmetis, collectively known as Corellas.

Appearance

The Western Corella is entirely white with a pink patch in front of the eye, which is surrounded by pale blue skin.

It has a long pointed bill and a solid, short crest. The upper wing is entirely white, and the undersurface of the wing is pale yellow.

Habitat

The Western Corella is typically found in farmland, woodland, and forest habitats and is restricted to southwestern Australia. It is not usually found in the Perth area.

Feeding

The Western Corella feeds on seeds, nuts, and fruits and is known to cause damage to crops such as wheat and barley.

It is also known to feed on the seeds of introduced plant species.

3. Little Corella

Little Corella
by pierre pouliquin is licensed under CC BY-NC 2.0

The Little Corella (Cacatua sanguinea) is a small, white cockatoo native to Australia and southern New Guinea.

It is also known as the short-billed corella, bare-eyed cockatoo, blood-stained cockatoo, and little cockatoo.

This species is the most widely distributed of the three corella species found in Australia.

Habitat and Roosting

Little Corellas are widespread throughout Australia, although large gaps separate some populations.

They primarily feed on the ground but roost in trees and nest in hollows. They are often found around water sources and where seeding grasses are abundant.

Behavior

Little Corellas often form large, noisy flocks of up to several thousand birds, especially along watercourses.

They are very conspicuous and can be seen flying in noisy flocks, which can be observed in the weekly bar chart of the eBird website.

Physical Characteristics

The Little Corella is a small, vocal white cockatoo with an erectile crest. It is primarily white, with a small pink patch in front of the eye. This species has a short bill and a bare, pale blue eye-ring.

The Little Corella is a small, white cockatoo found throughout Australia and southern New Guinea.

It primarily feeds on the ground but roosts in trees and nests in hollows. This species often forms large, noisy flocks and can be distinguished from other corella species by its small size, short bill, and bare eye-ring.

4. Red-vented Cockatoo

Red-vented Cockatoo
by TJL23 is licensed under CC BY-SA 2.0

The Red-vented Cockatoo, also known as the Philippine Cockatoo, is a parrot species endemic to the Philippines.

It is one of the smallest cockatoo species, measuring around 30 cm in length and weighing around 300 grams.

The Red-vented Cockatoo is easily identifiable by its white plumage and bright red under-tail coverts.

The Red-vented Cockatoo is known for its noisy flocks, which can often be heard before they are seen.

They are social birds and can be found in flocks of up to 100 individuals.

These flocks are known to move around a lot, making it difficult to estimate their population size accurately.

According to Joseph M. Forshaw’s book Parrots of the World, the Red-vented Cockatoo is a critically endangered species.

Its population has declined drastically due to habitat loss, hunting, and the illegal pet trade.

Several conservation programs, including habitat restoration and captive breeding programs, have been initiated to save this species.

The Red-vented Cockatoo is also featured in the “Weekly Bar Chart” of the International Union for Conservation of Nature (IUCN).

The chart provides an overview of the conservation status of various species, including the Red-vented Cockatoo.

According to the chart, the Red-vented Cockatoo is listed as critically endangered due to its rapidly declining population.

In conclusion, the Red-vented Cockatoo is a unique and beautiful species of parrot that is, unfortunately, facing extinction.

Efforts must be made to protect this species and conserve its habitat to ensure its survival for future generations.

5. Tanimbar Corella

Tanimbar Corella
by Naturelly is licensed under CC BY-NC-SA 2.0

The Tanimbar Corella, also known as Goffin’s Cockatoo, is a small white parrot species that is endemic to the Tanimbar Islands in Indonesia.

They are about 31 cm from head to tail and have a short crest, a ring of grayish-blue skin around the eye, and a pink patch between the eye and the bill.

Habitat and Roost

Tanimbar Corellas are found in the forests of the Yamdena, Larat, and Selaru islands.

They prefer to roost in tall trees and are often seen in noisy flocks of up to 20 birds.

They are known for their weekly bar chart-like calls that can be heard from a distance.

Feeding

Tanimbar Corellas are primarily seed eaters, but they also consume fruits, nuts, and insects.

In captivity, they are fed a diet of seeds, fruits, vegetables, and nuts.

It is important to provide them with a varied diet to ensure that they receive all the necessary nutrients.

Species and Flocks

Tanimbar Corellas are a monotypic species, meaning that they are the only member of their genus.

They are considered a near-threatened species due to habitat loss and trapping for the pet trade.

They are often seen in flocks of up to 20 birds in the wild. They are social birds and require the company of other birds to thrive.

In conclusion, Tanimbar Corellas are a unique and fascinating parrot species endemic to the Tanimbar Islands in Indonesia.

They are seed eaters that prefer to roost in tall trees and are often seen in noisy flocks. They require a varied diet and the company of other birds to thrive.

6. Solomons Cockatoo

Solomons Cockatoo
by Mohd Rosdi Zainal Abidin is licensed under CC BY 2.0

The Solomons Cockatoo (Cacatua ducorpsii), also known as the Ducorps’ Cockatoo, is a species of cockatoo endemic to the Solomon Islands archipelago.

This small white cockatoo is larger than the Tanimbar Corella yet smaller than the Umbrella Cockatoo.

The species is common across most of the Solomons, absent only from Makira in the south.

Habitat and Roosting

The Solomons Cockatoo is found in a variety of habitats, including forest, woodland, and savanna.

They are known to roost in trees, often in large flocks of up to 100 individuals. During the breeding season, they may form smaller flocks of up to 10 birds.

Feeding

The Solomons Cockatoo feeds on a variety of seeds, nuts, fruits, and insects.

They are known to feed on the ground, in trees, and in flight. They have a pale bill and yellow-tinged underwings, which can be seen in flight.

Conservation Status

The Solomons Cockatoo is considered a species of least concern by the International Union for Conservation of Nature (IUCN).

However, they are threatened by habitat loss and capture for the pet trade.

They are protected under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which regulates the international trade of wildlife.

Distribution

The Solomons Cockatoo is found only in the Solomon Islands archipelago, which is located east of Papua New Guinea and north of Vanuatu.

The Solomons are a group of islands that are part of Melanesia, a subregion of Oceania.

The Solomons Cockatoo is not found in the Philippines or Indonesia.

In conclusion, the Solomons Cockatoo is a small white cockatoo endemic to the Solomon Islands archipelago.

They are common across most of the Solomons and feed on a variety of seeds, nuts, fruits, and insects.

They are threatened by habitat loss and capture for the pet trade and are protected under CITES.

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