Chestnut-throated Seedeater - Sporophila Telasco
The male, has a small dark chestnut throat patch. It is grey above with dark streaks and a white rump. Wings are blackish with wing-bars and a white speculum. Underparts are whitish and the bill is short but deep with a curved culmen making it look almost parrot-like.
Song is rather variable, a rapid, jerky's series of warbled, snappy, and squeaky phrases, some buzzy.
Call is a dull 'thick', a rich 'tchip', and a Carduelis-like 'dcher'.