Southern Screamer Bird Details
Chauna torquata
Southern Screamer
NA
Lorenz Oken, 1816
Anseriformes (DUCKS)
Anhimidae
Chauna
Brazil, Uruguay, Paraguay, Bolivia, and northern Argentina.
Appearance :
Southern screamers are large, goose-like birds with long legs and necks. They have grayish-brown plumage with a white belly, distinctive black neck collar, and a small, chicken-like head with a prominent crest.
Behaviour :
They are generally terrestrial but are also capable swimmers and fliers. They are known for their loud, trumpeting calls.
Habitat :
They inhabit wetlands, marshes, and grasslands with access to water, preferring areas with dense vegetation.
Diet :
Primarily herbivorous, feeding on vegetation such as grasses, leaves, seeds, and aquatic plants. They may also consume small invertebrates.
Conservation Status :
Least Concern
Distribution :
Found in parts of South America, including Brazil, Uruguay, Paraguay, Bolivia, and northern Argentina.
Population Size :
Not well-documented
Life Span :
Live up to 20 years.
Body And Tarsus:
Large and goose-like in appearance, with predominantly gray plumage and a white band around the neck.
Head And Bill :
The head is small relative to body size, with a short, thick bill.
Length :
Approximately 75-85 cm (about 30-33 inches).
Neck :
Long neck, with a distinctive white collar or band.
Size :
Large bird, resembling a goose in size and shape.
Tail Details :
Short tail.
Weight :
Around 3-5 kg (6.6-11 lbs).
Wing :
Broad wings suitable for strong flight.
Wing Span :
150 to 180 cm (59 to 71 inches).
Facial Feature :
Reddish facial skin around the eyes and at the base of the bill.
Nest Details :
- They build large, conspicuous nests usually located in trees or shrubs near water.
- Nests are made of sticks and other plant materials, often quite large and bulky.
Breeding Season :
Occurs from September to March.
Nesting Season :
Nesting season typically coincides with the rainy season.
Egg Color :
Creamy white or pale yellowish.
Egg Length :
Around 7-8 cm (2.8-3.1 inches).
Egg Width and Weight :
Approximately 4-5 cm (1.6-2 inches).
Clutch Size :
2-7 eggs per clutch.
No. of Broods :
one or two broods per breeding season.
Incubation Period :
About 43-46 days, typically done by both parents.
Nestling Period :
Fledge at around 70-77 days after hatching.
Vocalization :
Loud, trumpeting calls that resemble the sound of a horn, hence the name "Screamer".
Sex Demorphism :
Monomorphic.
Migration Details :
Non-Migratory Birds.
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