Black-capped was the most common Foliage-Gleaner of the trip. We also had

Buff-fronted Foliage-Gleaner (Brazilian Atlantic Forest endemic)
Ochre-breasted Foliage-Gleaner (Brazilian Atlantic Forest endemic)
White-eyed Foliage-Gleaner (Atlantic Forest endemic)
White-collared Foliage-Gleaner (Brazilian Atlantic Forest endemic)