Sunday 19 May
Hyacinth macaw (Anodorhynchus hyacinthinus)
- The largest parrot, the hyacinth macaw is an impressive 100cm long.
- Usually only a single hyacinth macaw chick in a clutch is will make it to maturity.
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Hyacinth macaw fact file
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Hyacinth macaw description
Hyacinth macaws are the largest parrots in the world, reaching a massive 100 cm in length (4). They have striking cobalt blue feathers, contrasting with the bare yellow eye ring and yellow patch of skin next to the lower bill (4). The tail is particularly long (2), and the powerful black bill is deeply curved and pointed (4).
- Guacamayo Azul, Guacamayo Jacinto.
- Length: 100 cm (2)
Hyacinth macaw biology
Nesting takes place between July and December, nests are constructed in tree cavities or cliff faces depending on the habitat (2). In the Pantanal region, 90% of nests are constructed in manduvi trees; existing holes are enlarged and then filled with sawdust (5). Clutches of 2 eggs are commonly laid, although only one chick will usually survive to maturity (5). The incubation period lasts about a month, and the male will tend to his mate whilst she incubates the eggs (5). Although fledging occurs when the chicks are around 3 months old they remain dependent on their parents until 6 months of age (5).
The majority of the hyacinth macaw diet is comprised of nuts from native palms, such as acuri and bocaiuva palms (5). The acuri nut is so hard that the parrots cannot feed on it until it has passed through the digestive system of cattle (5).Top
Hyacinth macaw range
The hyacinth macaw occurs in three distinct areas in South America, mainly in Brazil. It is found in east Amazonia, east-central Brazil, and in the Pantanal region of southwest Brazil reaching into Bolivia and Paraguay (2).Top
Hyacinth macaw habitat
In different areas of their range these parrots are found in savannah grasslands, in dry thorn forest known as 'caatinga', and in palm stands (2). The Pantanal is a vast area of swampland formed by the flooding of the Paraguay basin; here, hyacinth macaws are found amongst palm-savannahs (2).Top
Hyacinth macaw statusTop
Hyacinth macaw threats
Hyacinth macaw numbers are in decline as a result of habitat loss and over-collection for the illegal pet trade. In the 1980s, it is estimated that at least 10,000 birds were taken from the wild (2). Throughout the macaw’s range, habitat is being lost or altered due to the introduction of cattle ranching and mechanised agriculture, and the development of hydroelectric schemes (2).Top
Hyacinth macaw conservation
The hyacinth macaw is protected by law in Brazil and international trade is prohibited by its listing on Appendix I of the Convention on International Trade in Endangered Species (CITES) (2). There are a number of long-term studies and conservation initiatives in place; the Hyacinth Macaw Project in the Brazilian State of Mato Grosso do Sul, has carried out important research by ringing individual birds and has created a number of artificial nests to compensate for the small percentage of sites available in the region (5). The effective enforcement of protection laws is required if this beautiful parrot is going to be saved from the fate of the other Brazilian parrots, Lear's (Anodorhynchus leari) and Spix's macaw (Cyanopsitta spixii), which now teeter on the brink of extinction.Top
Find out more
For more information on the hyacinth macaw see:
BirdLife International's World Bird Database
The Blue Macaws
WWF’s ‘Extinct’ Campaign: Hyacinth macaw
This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact:
IUCN Red List (April, 2003)
BirdLife International (April, 2003)
CITES (April, 2003)
Foundation for the Preservation of the Hyacinth Macaw (April, 2003)
WWF (April, 2003)
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