Dendrobates pumilio or Oophaga pumilio

Feel free to contact me if you would like to use this photo (yjt3@georgetown.edu).
http://jean.y.tsai.googlepages.com

Found in the lowland tropical rainforest of the El Zota Biological Field Station in Costa Rica. This Dendrobates pumilio male is calling to attract mates and warn other males that they are invading his territory.