Black Striped Woodcreeper
Birds of Panama - large bird photo gallery
The Black-striped Woodcreeper (Xiphorhynchus lachrymosus) is found in Colombia, Costa Rica, Ecuador, Nicaragua, and Panama. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. For more details from Wikipedia about the Black Striped Woodcreeper please see this page here.
This image was taken near Santa Fe, Veraguas, Panama.