American White Ibis vs Southern Bald Ibis

Eudocimus albus compared with Geronticus calvus

Side-by-Side Comparison

Attribute American White Ibis Southern Bald Ibis
Scientific Name Eudocimus albus Geronticus calvus
Order Pelecaniformes Pelecaniformes
Family Threskiornithidae Threskiornithidae
Conservation Status Least Concern Near Threatened
Length
Wingspan 56.0 cm (22.0 in) 77.6 cm (30.6 in)
Weight 894.1666666666666 g (31.54 oz) 1202.0 g (42.40 oz)
Diet -- --
Clutch Size 2-3 1-3
Population Trend

Habitat Comparison

Shared Habitats

American White Ibis only

Southern Bald Ibis only

None

Conservation Status

Least Concern

American White Ibis

Near Threatened

Southern Bald Ibis

About These Birds

American White Ibis

The American White Ibis (Eudocimus albus) is a medium-sized wading bird belonging to the family Threskiornithidae, immediately recognizable by its entirely white plumage contrasted with a vivid orange-red face, bill, and legs. Adults typically measure 56–71 cm in length with a wingspan of 91–107 cm, and weigh between 750 and 1,050 grams. The long, strongly decurved bill is the bird's most distinctive feature, perfectly adapted for probing soft substrates in search of prey. This species inhabits coastal marshes, mangrove swamps, …

Southern Bald Ibis

79 cm. Glossy black with metallic sheen; bare pink facial skin; red bill and legs. Endemic to South Africa and Lesotho in mountain grasslands and escarpments. Vulnerable; feeds on insects and small vertebrates in short grassland. Colonial breeder on cliff ledges; at risk from pesticides and habitat loss.

More Birds to Explore

Explore the Nature FYI Family