||San Francisco Sparrow Arremon
Brazilian name: Tico-tico-do-são-francisco
San Francisco Sparrow was only described as a species as recently
as 1997. See the article by Marcos Raposo in Ararajuba 5(1):3-9 entitled "A new
species of Arremon (Passeriformes: Emberizidae) from
||It seems to be restricted to
thick scrub caatinga and is found only on the valley of the rio
São Francisco in the states of Bahia and Minas Gerais.
These photos were taken in this tyype of habitat in the Chapada
Diamantina, Bahia. It is classified as Near
||The distinguishing features
of the San Francisco Sparrow compared to the Pectoral Sparrow
A. taciturnus are that the full breast band in the latter
is reduced to two breast patches near the wing bend in the
former. It also has an orange bill with a black culmen. Another
closely related species is the Half-collared Sparrow A.
semitorquatus where the breast band falls somewhere between
the two extremes.
There are recordings on
xeno-canto, a distribution map from NatureServe
and additional information available via Avibase.
There is a page with excellent photos at Wikiaves.