Puna Ibis vs Black-headed Ibis

Plegadis ridgwayi compared with Threskiornis melanocephalus

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Side-by-Side Comparison

Attribute Puna Ibis Black-headed Ibis
Scientific Name Plegadis ridgwayi Threskiornis melanocephalus
Order Pelecaniformes Pelecaniformes
Family Threskiornithidae Threskiornithidae
Conservation Status Least Concern Least Concern
Length
Wingspan 55.6 cm (21.9 in) 70.0 cm (27.6 in)
Weight 593.5 g (20.94 oz) 1303.0 g (45.96 oz)
Diet -- --
Clutch Size 1-2 2-4
Population Trend
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Habitat Comparison

Shared Habitats

Puna Ibis only

None

Black-headed Ibis only

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Conservation Status

Least Concern

Puna Ibis

Least Concern

Black-headed Ibis

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About These Birds

Puna Ibis

The Puna Ibis (Plegadis ridgwayi) is a South American member of the family Threskiornithidae, named in honor of the American ornithologist Robert Ridgway. It closely resembles the Glossy Ibis and White-faced Ibis in overall appearance, sharing the characteristic dark, iridescent plumage of the genus, though it tends to be somewhat smaller and shows subtle differences in the extent of facial skin color and iridescence. Adults display chestnut and purplish-brown body plumage with greenish and bronzy gloss on the wings and …

Black-headed Ibis

65–76 cm. White with bare black head; black wingtips and neck feathers. Resident across South and Southeast Asia in wetlands, rice paddies, and grasslands. Near Threatened; declining due to habitat loss and hunting. Feeds by probing in shallow water for fish and invertebrates; colonial nester.

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