Chauna

Chauna
Southern screamer(Chauna torquata)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Anseriformes
Family:	Anhimidae
Genus:	Chauna Illiger,1811
Type species
Parra chavaria Linnaeus, 1766
Species
Chauna chavaria Chauna torquata

Chaunais a genus ofbirdsin thescreamerfamily. Its two members are found in wetlands ofSouth America.

Description

They are large, bulky birds, with a small downy head, long legs and large feet which are only partially webbed. They have large spurs on their wings which are used in fights over mates and territorial disputes.

Conservation

The southern screamer is overall fairly common and sometimes considered apestas it raids crops and competes with farm birds for food. In contrast, the northern screamer is relatively rare and therefore considerednear threatened.

Species

GenusChauna–Illiger,1811– two species

Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Southern screameror crested screamer	Chauna torquata (Oken, 1816)	southeasternPeru,northernBolivia,Paraguay,southernBrazil,Uruguayand northernArgentina	Size: Habitat: Diet:	LC
Northern screameror black-necked screamer	Chauna chavaria (Linnaeus, 1766)	northernColombia,inChocó,Antioquia,Córdoba,Sucre,Bolívar,Magdalena,Santander,andCesarDepartments and northwesternVenezuela,inZulia,Mérida,andTrujilloStates.	Size: Habitat: Diet:	NT

References

• Hilty, Steven L (2003).Birds of Venezuela.London: Christopher Helm.ISBN0-7136-6418-5.