The Santa Marta Brush Finch is a species of bird in the family Passerellidae and the order Passeriformes, it is endemic to Colombia. It is measures around 17 centimeters.
It is a large bird with a large, rounded head and a thick bill. It is black from the head to the malar region and the chin and its silvery cheeks. Its high parts are olive with wing coverings and the blackish tail and its lower parts from the throat to the underflow coverings are lemon yellow with olive washed flanks mixed with grey.
It is an Endemic species from Colombia that ranges from 700 to 3200 m above sea level in the Sierra Nevada de Santa Marta.
It lives in humid forests where it frequently uses scrub and forest edges. It also uses coffee plantations, gardens, secondary growing forests and pastures with scattered shrubs. Absent within mature forests.
It is a very active and conspicuous bird that forages on and near the ground under bushes but also goes up to about 10 m above the ground. He is usually seen foraging in mixed flocks in which he is usually the nuclear species.