- Cephalopterus penduliger
41-51 cm (male) or 36-46 cm (female).
All black with overhanging crest and long wattle hanging from central chest. Female and immature similar, but crest smaller and wattle much reduced or absent.
Humid forest at 150-1800 m asl.
Diet includes fruit.
Males are known to display at leks and during displays give a foghorn-like booo sound. Females have an alarm call described as aaugh.
Reported as difficult to see outside lekking season.
- Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- Restall et al. 2006. Birds of Northern South America. Yale University Press. ISBN 9780300124156
- BirdForum Opus contributors. (2023) Long-wattled Umbrellabird. In: BirdForum, the forum for wild birds and birding. Retrieved 4 December 2023 from https://www.birdforum.net/opus/Long-wattled_Umbrellabird