Buff-necked Ibis

Photo © by obasanmi
Pantanal, Brazil, June 2006

Theristicus caudatus

Identification

71–76 cm (28-30 in)

• Grey above
• Black below
• Buff head, neck, and chest
• Rusty crown and lower chest
• Black face
• White wings
• Long decurved black bill
• Red legs
  

Sexes similar

Photo © by Stanley Jones
Salta Province, Argentina, October, 2019

Distribution

South America: found in Colombia, Venezuela, Guyana, Suriname, Bolivia, Brazil, Paraguay, Uruguay, Chile and Argentina

Taxonomy

Subspecies

There are 2 subspecies^[1]:

• T. c. caudatus:

• Eastern Colombia to Venezuela, Guianas and south-western Brazil (Mato Grosso)

• T. c. hyperorius:

• Eastern Bolivia to south-eastern Brazil, Paraguay, Uruguay and northern Argentina

Habitat

Wetland scrub, savanna, woodlands, lakes, marshes, and open forests.

Behaviour

Diet

The diet consists mostly of insects as well as spiders and centipedes; also some small mammals, invertebrates, snails, frogs and reptiles.

Breeding

A platform nest is made from twigs and branches. The clutch consists of 2-4 eggs.

References

1. 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/
2. Avibase
3. Matheu, E., del Hoyo, J., Garcia, E.F.J. & Boesman, P. (2020). Buff-necked Ibis (Theristicus caudatus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/52768 on 1 April 2020)
4. Arthur Grosset

• List of references

Recommended Citation

• BirdForum Opus contributors. (2024) Buff-necked Ibis. In: BirdForum, the forum for wild birds and birding. Retrieved 17 May 2024 from https://www.birdforum.net/opus/Buff-necked_Ibis

External Links

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