*"The white-throated hummingbird is a species of hummingbird in the Trochilidae family. It is the only member of the genus Leucochloris. It is found in north-eastern Argentina, south-eastern Brazil, Paraguay, and Uruguay." Happily for this species it is common and found in open spaces, gardens and the like and not considered endangered.
*Quoted from Wikipedia
4745REGUAbirdbirdsflowershummingbirdanimalsAtlantic ForestBrazilleucochloris albicollisTrochilidaeWhite Throated Hummingbirdnaturewildlife
From Overview Pantanal and Atlantic Rainforest Gallery