Cocoi Heron Ardea cocoi
(aka White-necked Heron)

Brazilian name: garça-moura
White-necked  Heron, Aguas de São Pedro, São Paulo, Brazil, November 2008 - click on image for a larger view Brazil

The Cocoi Heron is found in South America and forms a superspecies with the Great Blue Heron Ardea herodias of North America and the Grey Heron Ardea cinerea of Europe, Asia and Africa. Being parts of a superspecies they are all very similar. The Cocoi Heron has more black on the head than the other two.

The Cocoi Heron is the largest Brazilian heron. Its diet is similar to other herons but it has also been known to eat small caiman.

The fifth photo shows an immature bird which is much greyer and shows more streaking on the underparts and lower neck.

White-necked Heron, Pantanal, Mato Grosso, Brazil, December 2006 - click on image for a larger view There are recordings on xeno-canto, a distribution map from NatureServe and additional information available via Avibase. There is also a page on Wikiaves.
White-necked Heron, Pantanal, Mato Grosso, Brazil, December 2006 - click on image for a larger view

 

White-necked Heron, Pantanal, Mato Grosso, Brazil, December 2006 - click on image for a larger view

Immature Cocoi Heron, Aguas de São Pedro, São Paulo, Brazil, August 2004 - click on image for a larger view

White-necked Heron, Pantanal, Mato Grosso, Brazil, December 2006 - click on image for a larger view

White-necked Heron, Pantanal, Mato Grosso, Brazil, December 2006 - click on image for a larger view

White-necked Heron, Aguas de São Pedro, São Paulo, Brazil, November 2008 - click on image for a larger view

White-necked Heron, Aguas de São Pedro, São Paulo, Brazil, November 2008 - click on image for a larger view

White-necked Heron, Aguas de São Pedro, São Paulo, Brazil, November 2008 - click on image for a larger view

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