Tuesday 24 May 2011

Southern screamer

Chauna torquata

Photo by Cláudio Timm (Wikipedia)

Common name:

Taxonomy:
Order Anseriformes
Family Anhimidae

Range:
This South American species is found in south-eastern Peru, northern Bolivia,Paraguay, southern Brazil, Uruguay and northern Argentina.

Size:
Southern screamers are 83-95 cm long and have a wingspan of 170 cm. They weigh 4-4,5 kg.

Habitat:
These birds are found in marshes, grasslands and lagoons.

Diet:
The diet of the southern screamer consists of plants stems, seeds, leaves, and, rarely, small animals.

Breeding:
These birds are monogamous, forming stable relationships that last their lifetime. They breed in September-December, building a large stick and reed nest on the ground near shallow water. There the female lays 2-7 white eggs which are incubated by both parents for 43-46 days. The chicks leave the nest within a few hours, and fledge 8-10 weeks after hatching. The parents care for the young and they only become fully independent 14 weeks after hatching.

Conservation:
IUCN status - LC (Least Concern)
This species has a very large breeding range and a global population of 100.000-1.000.000 individuals. The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

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