- Theristicus branickii
- Greyish upperside
- Buffy neck gradually more cinnamon on rear neck, crown and sides of head
- Black skin surrounding eye and black malar
- Relatively short, curved bill
- Lower breast pale
- Legs pinkish
- In flight shows dark flight feathers and the grey wing coverts can look whitish depending on the light.
Black-faced Ibis differs in having black wattle below the bill which is relatively longer. It has a more prominent black area on underside including lower breast, and it has shorter tail.
A resident species.
Voice is described as far-carrying, metallic honking, given as double tones.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Jaramillo, A. 2003. Birds of Chile. Princeton & Oxford: Princeton Univ. Press. ISBN 978-0691117409
- Schulenberg, T. S. & Stotz, D. F. & Lane, D. F. & O'Neill, J. P. & Parker III, T. A. & Egg, A. B. (2010). Birds of Peru: Revised and Updated Edition. Princeton: Princeton University Press. ISBN 978-0691130231
- del Hoyo, J., N. Collar, and E. F. J. Garcia (2020). Andean Ibis (Theristicus branickii), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.bkfibi2.01
- BirdForum Opus contributors. (2023) Andean Ibis. In: BirdForum, the forum for wild birds and birding. Retrieved 1 December 2023 from https://www.birdforum.net/opus/Andean_Ibis
GSearch checked for 2020 platform.