The 10 Scariest Things About Glaucous Macaw > 자유게시판

• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

Glaucous Macaw

The glaucous Macaw is among the rarest birds in the world. It is Critically Endangered, and may be extinct in the wild.

Various aviculturalists have reported sightings of this bird, but the most recent was in 1992. The alleged sighting was reported to have occurred in the southwestern region of Paraguay, near the city of Corrientes. The bird was male.

Origin

The Glaucous macaw is an endangered parrot species that is native South America. This magnificent bird is distinguished by a blue feather pattern, and a powerful beak that can break open nuts and seeds. Glaucous macaws have been known to form long-term monogamous pairs and both parents assist in raising the chicks. They feed the chicks a diet of regurgitated food for the first few weeks after birth, before they begin to eat solid foods as they develop. Parents are also responsible for teaching young macaws to fly and hunt.

The glaucous Macaw is extinct, but rumors about its existence continue to circulate across the globe. The glaucous Macaw is believed to have been extinct in the 1800s due to logging and cattle grazing on yatay (Butia) palm groves from which the birds gathered their food. The glaucous Macaw is believed to be making a comeback and is usually kept with its larger relative, Lear’s macaw.

In terms of habitat, the glaucous macaw can be found in sub-tropical forests of South America. They are usually located in areas with a lot of palm trees, and they are believed to be extremely adaptable to a variety of forested habitats. These beautiful birds are also known to be very territorial and will protect their feeding and nesting areas from invaders.

There have been a number of reports involving the glaucous macaw over the years, but most are considered to be not reliable. The most recent report of a wild occurrence involves an friend of Ridgely's who claimed to have seen four Glaucous macaws in Califomia. This claim is completely unacceptable until it is verified by hard evidence. The absence of any reliable data on this bird over the past century has caused many experts to conclude that it is likely extinct, yet they have always accepted a remote possibility of its survival (Vielliard 1979, Ridgely 1981a, Sick 1985, Chebez 1986a). If it survives, it is extremely unlikely to be seen in large numbers.

Habitat

The glaucous macaw is a striking bird that is renowned for its size and striking turquoise-blue coloring. The tail and wings are long, enhancing its fluid and graceful movement. It is also an emblem of affection and loyalty. Its beak, which is mostly black, has a distinct shape that allows it break seeds and nuts. These are a large portion of its diet.

The Glaucous Macaw is considered Critically Endangered by the IUCN, which notes that it has a small population and is at high chance of becoming extinct. The species was once quite widespread, but today it is found in northern Argentina as well as southern Paraguay and north-eastern Uruguay and Brazil from Parana state southwards, where it is nestled in cliffs on major rivers.

Although there haven't been any reliable sightings of this species since 1830 The Glaucous Pixie mini macaw seemed not to be very rare in its relatively limited range; specimens were captured from 1830 to 1850 (in Corrientes). The last known living Glaucous Macaw was seen at the Buenos Aires Zoo in 1936 and is believed to have come from Brazil.

A reassessment of the historical records suggests that this species was a very generalist in its habitat preferences, with a preference for the savanna ecosystem, which was interspersed with palm "islands" and bands of riparian forest along rivers. It was a specific feeder of palm fruits, particularly those of the chatay palm (Butia yatay) however, it could also consume ripe and unripe fruits as well as berries, nuts and vegetable matter. It is a nesting place on steep slopes or in cliffs, and also in tree cavities.

This bird was likely gregarious and social, similar to other parrots. It was believed that it could live up to 14.4 years in captivity and was a reliable breeder who reproduced year after. The lifespan of the species in the wild was between 50 and 80 years. This species was a potent seed disperser and could have contributed to the success of the yatay palm within its natural habitats.

Feeding

The Glaucous Macaw (Anodorhynchus glaucus) is one of the most magnificent of all the species of parrots and has a an immense impact in its surroundings. This huge South American bird is known for its vivid blue feathers and yellow eyes as well as the distinctive teardrop-shaped lipped sleeve that covers the lower part of its beak.

Until recently very little was known about eating habits of the Glaucous Macaw. The earliest references to this subject that I have come across are two works by H.W. Bates, "The Naturalist on the Amazons" first published in 1863, detailing his 11 year sojourn in Brazil and later in his book "As Birds of the Brazilian Forests". Both of these are about the Hyacinthine Fiona hyacinth macaw bird for sale Anodorhynchus Aureolarius. I have no reason to believe that they don't apply to this species.

It is likely that the Glaucous Macaw was a specialized in the consumption of palm nuts, and also consumed other seeds, fruits and vegetable matter in small quantities. The diet of this species was likely influenced by the clearing of forests for agriculture and cattle-ranching by early colonists, and the felling of yatay (Butia) palms from which it received much of its nutritional value.

In the wild in the wild, the Glaucous Macaw was found in subtropical forests containing the savannahs and cliffs surrounded by palm trees, where it nestled in tree cavities, on rocky banks or the top of palm fronds. The female incubates and then lays two eggs per.

The young Glaucous Macaws are altricial, meaning they depend on their parents to take care of them until they're fully grown and able to fly. Both males and females are very committed to their offspring and hunt for food and protect them against predators.

Unfortunately, the Glaucous Macaw has been eradicated from most of its previous range. The disappearance of the majestic bird is likely due to the continued trapping of birds for the pet industry and disturbance of habitat, specifically the massive removal of palm yatays that may have been its primary food source. The Glaucous Macaw is listed as Critically Endangered.

Breeding

Glaucous macaws are typically monogamous pairs, with both parents playing part in raising the young. They breed in the dry season, which is when the food supply is at its highest. The female will lay up to three eggs, which are incubated by the mother for approximately 28 days. Once the chicks hatch, they are fed by their parents via regurgitation for the first few weeks of life. The young macaws then begin to explore their surroundings and learn how to feed themselves. They also learn to fly and forage.

Like all birds, glaucous macaws are highly social creatures. They are active during the day and spend their nights resting. They often seek refuge in tree cavities or other nesting spots to sleep. They are very vocal and their calls can be heard throughout the forest during the day.

The species is expected to rebound from the decline, but it is facing numerous threats, including habitat loss, illegal trapping of the bird for the pet market, and deforestation. It is estimated that there are just 20 glaucous macaws that are in the wild. The IUCN has classified the bird as "Critically endangered--possibly extinct."

The glaucous macaw, also known as Lear's Macaw or blue-throated Hummingbird is distinguished by its vivid blue feathers. It is a large parrot measuring 70 centimeters in length and has a sturdy beak that is able to break open seeds and nuts that are tough to break. The beautiful bird is native to South America and can be found in diverse habitats, including grasslands, forests, and lowland wetlands.

This magnificent bird is a symbol of South American biodiversity. Its appearance is elegant with its slender body, vibrant Lolita blue & gold macaw feathers, and a light build. Its beak is curved and black, which helps it open the nuts and seeds that comprise a large portion of its diet. It is a beautiful bird that is often seen in bird shows. It is also a favourite in the wild, where it can remain for a long time.