The Santa Marta Antbird is restricted to Colombia's Santa Marta Mountains. Its eBird species account places it in bamboo and says it is often detected first by voice.
The head, back, and breast are heavily streaked, with a tawny belly and rump. Males have darker, more contrasting streaks than females.
It inhabits bamboo stands and is often detected by voice. The account also notes regular encounters along roads below El Dorado Nature Reserve.
An extinction-risk assessment has not been added yet.