Buff-necked Ibis vs Black-faced Ibis
Theristicus caudatus versus Theristicus melanopis
Play a quiz with Buff-necked Ibis and Black-faced Ibis
Buff-necked Ibis
Black-faced Ibis
In short
The Buff-necked Ibis and Black-faced Ibis are similar large waders, but the Buff-necked Ibis is distinguished by its bright buffy head and neck, while the Black-faced Ibis has a more muted face with a distinctive black mask. Both species share a similar structure but differ in plumage coloration and habitat preferences.
Identification tips
Look for the bright buffy head and neck of the Buff-necked Ibis compared to the black mask of the Black-faced Ibis. Observe habitat: Buff-necked Ibis is often in open, dry areas, while Black-faced Ibis is more Andean. Use binoculars to confirm the distinctive facial markings.
Size
Both species are large ibises with similar body size and structure.
Plumage
The Buff-necked Ibis has a bright buffy head and neck, grey back, white primaries and secondaries, and black underparts. In contrast, the Black-faced Ibis features a black mask on its face, which is a key distinguishing feature.
Behaviour
Both species can be seen foraging in open areas, but specific behavioral differences are not well-documented.
Habitat
The Buff-necked Ibis is often found far from water in savannas, ranchlands, and open forests, whereas the Black-faced Ibis is more commonly associated with Andean regions.
Voice
Vocalization details are not well-documented for these species, and differences are not emphasized in the sources.