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Side-by-Side Comparison

Attribute	African Openbill	Storm's Stork
Scientific Name	Anastomus lamelligerus	Ciconia stormi
Order	Ciconiiformes	Ciconiiformes
Family	Ciconiidae	Ciconiidae
Conservation Status	Least Concern	Endangered
Length	—	—
Wingspan	78.8 cm (31.0 in)	77.5 cm (30.5 in)
Weight	1014.0 g (35.77 oz)	2061.0 g (72.70 oz)
Diet	--	--
Clutch Size	3-5	2
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🌲 Forest 🌿 Wetland

African Openbill only

🌾 Grassland

Storm's Stork only

None

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Conservation Status

Least Concern

African Openbill

Endangered

Storm's Stork

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About These Birds

African Openbill

72–90 cm. All-black plumage with gloss; distinctive large bill with a gap between mandibles adapted for extracting apple snails. Resident across sub-Saharan Africa and Madagascar in wetlands, rivers, and rice paddies. Feeds almost exclusively on molluscs. Colonial breeder in trees near water.

Storm's Stork

75–91 cm. Black and white with white neck; bare red facial skin; red and yellow bill. Critically Endangered; restricted to lowland forest wetlands of Borneo, Sumatra, and Peninsular Malaysia. Highly sensitive to forest loss. Very few confirmed nesting records; one of Asia's rarest storks.

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Abdim's Stork Ciconia abdimii African Woollyneck Ciconia microscelis Asian Openbill Anastomus oscitans Asian Woollyneck Ciconia episcopus All Ciconiidae birds →

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