Male on top, pair below. This is another Amazonian endemic found mostly in seasonally flooded forests. Canon PowerShot SX60 HS.
References:
Hilty, S. (2019). Yellow-bellied Dacnis (Dacnis flaviventer). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/61727 on 12 July 2019).
Yellow-bellied Dacnis (Dacnis flaviventer), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/yebdac1