オボロテンニョゲラ Celeus flavus

Distinctive yellow woodpecker of lowland Amazonia. Bright creamy yellow overall with short creamy crest, brown wings and tail, and yellow bill; male has red moustache Usually found in seasonally flooded and swampy forested areas, but can be found outside those habitats occasionally in other forested areas. Listen for a loud, descending series of whistles: “PEE-pee-pee-peer.”