| Theristicus | |
|---|---|
| File:Theristicus melanopis 1 Frank Vassen.jpg | |
| Black-faced Ibis. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Pelecaniformes |
| Family: | Threskiornithidae |
| Subfamily: | Threskiornithinae |
| Genus: | Theristicus Wagler, 1832 |
Theristicus is a genus of birds in the Threskiornithidae family. They are found in open, grassy habitats in South America. All have a long, decurved dark bill, relatively short reddish legs that do no extend beyond the tail in flight (unlike e.g. Eudocimus and Plegadis), and at least the back is grey.
Taxonomy[]
Formerly, T. caudatus included T. melanopis as a subspecies, but today all major authorities accept the split. Furthermore, it has recently been suggested that the taxon branickii should be considered a species, but at present most authorities maintain it as a subspecies of T. melanopis.
- Plumbeous Ibis, Theristicus caerulescens.
- Buff-necked Ibis, Theristicus caudatus.
- Black-faced Ibis, Theristicus melanopis.
- Andean Ibis, Theristicus (melanopis) branickii.
References[]
- Matheu, E., & J. del Hoyo (1992). Family Threskiornithidae (Ibises and Spoonbills). pp. 472–506 in: del Hoyo, J., A. Elliott, & J. Sargatal (editors). Handbook of the Birds of the World. Vol. 1. Ostrich to Ducks. Lynx Edicions, Barcelona. ISBN 84-87334-10-5
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